diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index a12cb4c42..fed1b2c99 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -18,6 +18,13 @@ updates:
   - package-ecosystem: "pip"
     directory: "/"
     schedule:
-      interval: "monthly"
+      interval: "weekly"
     commit-message:
       prefix: "chore(dependencies): PIP"
+    groups:
+      test-dependencies:
+        patterns:
+          - "*"
+
+    # It uses `skore/ci/requirements/python*/.python-version` to specify the python
+    # version used to update `skore/ci/requirements/**/test-requirements.txt`
diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index a683a86ad..02bf3b717 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -43,6 +43,27 @@ jobs:
         working-directory: skore/
         run: pre-commit run --all-files ruff
 
+  backend-lockfiles:
+    runs-on: "ubuntu-latest"
+    if: ${{ github.event_name == 'pull_request' }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Check lockfiles are not obsolete
+        run: |
+          changes=$(git diff --name-only HEAD^1 HEAD)
+
+          if
+            (echo "${changes}" | grep -qE 'skore/(test-)?requirements.in') &&
+            (echo "${changes}" | (! grep -qE "skore/ci/requirements/.*/test-requirements.txt"))
+          then
+            echo '::error title=backend-lockfiles:: Lockfiles obsolete, please execute `$ cd skore/ci; bash pip-compile.sh`'
+            exit 1
+          fi
+
   backend-test:
     strategy:
       fail-fast: false
@@ -77,7 +98,11 @@ jobs:
         id: cache-python-venv
         with:
           path: 'skore/venv'
-          key: python-venv-${{ matrix.os }}-${{ matrix.python }}-${{ matrix.scikit-learn }}-${{ hashFiles('skore/pyproject.toml') }}
+          key: >-
+            python-venv
+            -${{ matrix.os }}
+            -${{ matrix.python }}
+            -${{ hashFiles(format('skore/ci/requirements/python-{0}/scikit-learn-{1}/test-requirements.txt', matrix.python, matrix.scikit-learn)) }}
 
       - name: Setup python-venv
         working-directory: "skore/"
@@ -97,20 +122,11 @@ jobs:
           fi
 
       - name: Install dependencies in python-venv
-        working-directory: "skore/"
+        working-directory: ${{ format('skore/ci/requirements/python-{0}/scikit-learn-{1}', matrix.python, matrix.scikit-learn) }}
         if: steps.cache-python-venv.outputs.cache-hit != 'true'
         run: |
-          python -m pip install --upgrade "pip"
-          python -m pip install --upgrade "build"
-          # adding `.*` to the version ensures that we install the latest version of
-          # scikit-learn that is compatible with the specified version
-          python -m pip install --upgrade "scikit-learn ==${{ matrix.scikit-learn }}.*"
-
-          # Install `skore` and its dependencies
-          python -m pip install --upgrade --upgrade-strategy=eager ".[test]"
-
-          # Uninstall the `skore` package itself
-          python -m pip uninstall -y "skore"
+          python -m pip install --upgrade pip build
+          python -m pip install --requirement test-requirements.txt
 
       - name: Save python-venv
         uses: actions/cache/save@v4
@@ -124,10 +140,8 @@ jobs:
         run: python -m build
 
       - name: Install
-        working-directory: skore/
-        run: |
-          # Install `skore` without its dependencies, which are present in the venv
-          wheel=(dist/*.whl); python -m pip install --force-reinstall --no-deps "${wheel}"
+        working-directory: skore/dist/
+        run: wheel=(*.whl); python -m pip install --force-reinstall --no-deps "${wheel}"
 
       - name: Show dependencies versions
         working-directory: skore/
diff --git a/.gitignore b/.gitignore
index f6b1ce625..f1ca3a0ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -191,6 +191,7 @@ examples/plot_*.png
 
 # Include excluded directories from github-actions
 !/.github/**/build/
+!/skore/ci/**/.python-version
 
 # Exclude hatch artifacts
 skore/LICENSE
diff --git a/docs/design/0004-cache-python-dependencies-in-ci.md b/docs/design/0004-cache-python-dependencies-in-ci.md
new file mode 100644
index 000000000..4033dcbc4
--- /dev/null
+++ b/docs/design/0004-cache-python-dependencies-in-ci.md
@@ -0,0 +1,48 @@
+---
+date: 2025-01-09
+decision-makers: ["@thomass-dev"]
+---
+
+# Cache python dependencies in CI
+
+## Context and Problem Statement
+
+The choice was made to support the 3 latests versions of `scikit-learn`, jointly with
+the OS team.
+
+To date, we already have a CI running `skore` tests with 2 OS, and 4 python versions.
+The CI therefore runs the same job 2*4=8 times. To limit the installation time each time
+we run the test, we use a native GH mechanism to persist the pip cache. That way, python
+packages can be installed without the need to be re-download from PyPI. It's better than
+nothing, but installation time is incompressibly slow.
+
+Supporting 3 versions of `scikit-learn` means adding at least 2 additional test runs:
+- the latest version is test on each OS/python versions (no additonal test run),
+- the 2 older versions of scikit-learn are tested on ubuntu-latest python 3.12 (2
+  additional test runs)
+
+The CI is becoming very long, we need to find a way to reduce its duration.
+
+## Decision Outcome
+
+Speed-up tests by installing python dependencies in virtual environments and caching it:
+
+* pros: reduction of one minute per job when the cache is already built, otherwise
+  equivalent.
+* cons: cache must be purged manually to install a new version of a dependency. It's not
+  a big deal for now, since the gain is higher than the constraint.
+
+Dependencies no longer need to be installed at each step, as they are already present in
+the cached venv.
+
+We base the construction of the cache on the n-tuple OS, python, scikit-learn, and the
+hash of the `pyproject.toml` file. This way, if the dependencies list changes, a new
+cache is automatically built.
+
+Each test run knows which cache to use, depending on its context.
+
+Unused cache is automatically purged by GH after 90 days.
+
+## More Information
+
+Implementation in pull-request [#916](https://github.com/probabl-ai/skore/pull/916).
diff --git a/docs/design/0005-use-python-lockfiles-in-ci.md b/docs/design/0005-use-python-lockfiles-in-ci.md
new file mode 100644
index 000000000..4394902ad
--- /dev/null
+++ b/docs/design/0005-use-python-lockfiles-in-ci.md
@@ -0,0 +1,35 @@
+---
+date: 2025-01-31
+decision-makers: ["@thomass-dev"]
+---
+
+# Use python `test-requirements.txt` lockfiles in CI
+
+## Context and Problem Statement
+
+With the pull-request [#916](https://github.com/probabl-ai/skore/pull/916), we cache now
+the python dependencies to speed-up CI. However, to update in the cache the version of a
+dependency, for example, to take advantage of a bugfix, we have to manually purge the GH
+cache from the GH cli. It's not scallable.
+
+Moreover, in state of the CI, we can't control what version of a dependency is used. It
+can lead to inconsistent tests, in particular when between two runs, a new version of a
+dependency is released.
+
+We therefore want to define the dependencies versions in the CI, while leaving the user
+free to install what he wants.
+
+## Decision Outcome
+
+We can't fix dependencies version in the `pyproject.toml` file without impacting users.
+Instead, we fix the versions in separate requirement files, intended to be used only by
+the CI. These files must be rebuilt after each change in the dependencies list, to stay
+in sync at all times with the `pyproject.toml` file.
+
+These files are now used to construct the python cache in the CI.
+These files are automatically managed by `dependabot`, to take account of new weekly
+bugfixes. It produces pull-requests that must be accepted by maintainers.
+
+## More Information
+
+Implementation in pull-request [#1238](https://github.com/probabl-ai/skore/pull/1238).
diff --git a/skore/ci/pip-compile.sh b/skore/ci/pip-compile.sh
new file mode 100644
index 000000000..b6d48e615
--- /dev/null
+++ b/skore/ci/pip-compile.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+#
+# This script compiles all the `test-requirements.txt` files, based on combinations of
+# `python` and `scikit-learn` versions. These combinations mirror those defined in the
+# GitHub `backend` workflow.
+#
+# You can pass any piptools parameter:
+#
+#     $ bash pip-compile.sh --upgrade
+#
+
+CWD="$PWD"
+TMPDIR=$(mktemp -d)
+
+# Make sure that `TMPDIR` is removed on exit, whatever the signal
+trap 'rm -rf ${TMPDIR}' 0
+
+# Declare the combinations of `python` and `scikit-learn` versions
+declare -a COMBINATIONS
+
+COMBINATIONS[0]='3.9;1.6'
+COMBINATIONS[1]='3.10;1.6'
+COMBINATIONS[2]='3.11;1.6'
+COMBINATIONS[3]='3.12;1.4'
+COMBINATIONS[4]='3.12;1.5'
+COMBINATIONS[5]='3.12;1.6'
+
+set -eu
+
+(
+    # Copy everything necessary to compile requirements in `TMPDIR`
+    cp -r .. "${TMPDIR}/skore"
+    cp ../../LICENSE "${TMPDIR}/LICENSE"
+    cp ../../README.md "${TMPDIR}/README.md"
+
+    # Move to `TMPDIR` to avoid absolute paths in requirements file
+    cd "${TMPDIR}"
+
+    for combination in "${COMBINATIONS[@]}"
+    do
+        IFS=";" read -r -a combination <<< "${combination}"
+
+        python="${combination[0]}"
+        scikit_learn="${combination[1]}"
+        filepath="${CWD}/requirements/python-${python}/scikit-learn-${scikit_learn}/test-requirements.txt"
+
+        echo "Generating requirements: python ==${python} | scikit-learn ==${scikit_learn}"
+
+        # Force the `python` version by creating the appropriate virtual environment
+        pyenv local "${python}"
+        python -m venv "python-${python}"
+        source "python-${python}/bin/activate"
+
+        # Force the `scikit-learn` version by overloading test requirements
+        sed -i "s/scikit-learn.*/scikit-learn==${scikit_learn}.*/g" skore/test-requirements.in
+
+        # Create the requirements file tree
+        mkdir -p $(dirname "${filepath}")
+
+        # Create the requirements file
+        python -m pip install --upgrade pip pip-tools --quiet
+        python -m piptools compile \
+               --quiet \
+               --no-strip-extras \
+               --no-header \
+               --extra=test \
+               --output-file="${filepath}" \
+               "${@:2}" \
+               skore/pyproject.toml
+    done
+)
diff --git a/skore/ci/requirements/python-3.10/.python-version b/skore/ci/requirements/python-3.10/.python-version
new file mode 100644
index 000000000..c8cfe3959
--- /dev/null
+++ b/skore/ci/requirements/python-3.10/.python-version
@@ -0,0 +1 @@
+3.10
diff --git a/skore/ci/requirements/python-3.10/scikit-learn-1.6/test-requirements.txt b/skore/ci/requirements/python-3.10/scikit-learn-1.6/test-requirements.txt
new file mode 100644
index 000000000..fd89bac25
--- /dev/null
+++ b/skore/ci/requirements/python-3.10/scikit-learn-1.6/test-requirements.txt
@@ -0,0 +1,229 @@
+altair==5.5.0
+    # via skore (skore/pyproject.toml)
+annotated-types==0.7.0
+    # via pydantic
+anyio==4.8.0
+    # via
+    #   httpx
+    #   starlette
+attrs==25.1.0
+    # via
+    #   jsonschema
+    #   referencing
+certifi==2024.12.14
+    # via
+    #   httpcore
+    #   httpx
+    #   requests
+cfgv==3.4.0
+    # via pre-commit
+charset-normalizer==3.4.1
+    # via requests
+click==8.1.8
+    # via uvicorn
+contourpy==1.3.0
+    # via matplotlib
+coverage[toml]==7.6.10
+    # via pytest-cov
+cycler==0.12.1
+    # via matplotlib
+diskcache==5.6.3
+    # via skore (skore/pyproject.toml)
+distlib==0.3.9
+    # via virtualenv
+execnet==2.1.1
+    # via pytest-xdist
+fastapi==0.115.8
+    # via skore (skore/pyproject.toml)
+filelock==3.17.0
+    # via
+    #   huggingface-hub
+    #   virtualenv
+fonttools==4.55.8
+    # via matplotlib
+fsspec==2024.12.0
+    # via huggingface-hub
+h11==0.14.0
+    # via
+    #   httpcore
+    #   uvicorn
+httpcore==1.0.7
+    # via httpx
+httpx==0.28.1
+    # via skore (skore/pyproject.toml)
+huggingface-hub==0.28.1
+    # via skops
+identify==2.6.6
+    # via pre-commit
+idna==3.10
+    # via
+    #   anyio
+    #   httpx
+    #   requests
+iniconfig==2.0.0
+    # via pytest
+jinja2==3.1.5
+    # via
+    #   altair
+    #   skrub
+joblib==1.4.2
+    # via
+    #   scikit-learn
+    #   skore (skore/pyproject.toml)
+jsonschema==4.23.0
+    # via altair
+jsonschema-specifications==2024.10.1
+    # via jsonschema
+kiwisolver==1.4.7
+    # via matplotlib
+markdown-it-py==3.0.0
+    # via rich
+markupsafe==3.0.2
+    # via jinja2
+matplotlib==3.9.4
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+mdurl==0.1.2
+    # via markdown-it-py
+narwhals==1.24.1
+    # via altair
+nodeenv==1.9.1
+    # via pre-commit
+numpy==2.0.2
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+    #   scikit-learn
+    #   scipy
+    #   skore (skore/pyproject.toml)
+    #   skrub
+orjson==3.10.15
+    # via skore (skore/pyproject.toml)
+packaging==24.2
+    # via
+    #   altair
+    #   huggingface-hub
+    #   matplotlib
+    #   plotly
+    #   pytest
+    #   skops
+    #   skrub
+pandas==2.2.3
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+pillow==11.1.0
+    # via
+    #   matplotlib
+    #   skore (skore/pyproject.toml)
+platformdirs==4.3.6
+    # via
+    #   skore (skore/pyproject.toml)
+    #   virtualenv
+plotly==5.24.1
+    # via skore (skore/pyproject.toml)
+pluggy==1.5.0
+    # via pytest
+polars==1.21.0
+    # via skore (skore/pyproject.toml)
+pre-commit==4.1.0
+    # via skore (skore/pyproject.toml)
+psutil==6.1.1
+    # via skore (skore/pyproject.toml)
+pyarrow==19.0.0
+    # via skore (skore/pyproject.toml)
+pydantic==2.10.6
+    # via fastapi
+pydantic-core==2.27.2
+    # via pydantic
+pygments==2.19.1
+    # via rich
+pyparsing==3.2.1
+    # via matplotlib
+pytest==8.3.4
+    # via
+    #   pytest-cov
+    #   pytest-order
+    #   pytest-randomly
+    #   pytest-xdist
+    #   skore (skore/pyproject.toml)
+pytest-cov==6.0.0
+    # via skore (skore/pyproject.toml)
+pytest-order==1.3.0
+    # via skore (skore/pyproject.toml)
+pytest-randomly==3.16.0
+    # via skore (skore/pyproject.toml)
+pytest-xdist==3.6.1
+    # via skore (skore/pyproject.toml)
+python-dateutil==2.9.0.post0
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2024.2
+    # via pandas
+pyyaml==6.0.2
+    # via
+    #   huggingface-hub
+    #   pre-commit
+referencing==0.36.2
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+requests==2.32.3
+    # via
+    #   huggingface-hub
+    #   skrub
+rich==13.9.4
+    # via skore (skore/pyproject.toml)
+rpds-py==0.22.3
+    # via
+    #   jsonschema
+    #   referencing
+ruff==0.9.3
+    # via skore (skore/pyproject.toml)
+scikit-learn==1.6.1
+    # via
+    #   skops
+    #   skore (skore/pyproject.toml)
+    #   skrub
+scipy==1.13.1
+    # via
+    #   scikit-learn
+    #   skrub
+six==1.17.0
+    # via python-dateutil
+skops==0.11.0
+    # via skore (skore/pyproject.toml)
+skrub==0.5.1
+    # via skore (skore/pyproject.toml)
+sniffio==1.3.1
+    # via anyio
+starlette==0.45.3
+    # via fastapi
+tabulate==0.9.0
+    # via skops
+tenacity==9.0.0
+    # via plotly
+threadpoolctl==3.5.0
+    # via scikit-learn
+tqdm==4.67.1
+    # via huggingface-hub
+typing-extensions==4.12.2
+    # via
+    #   altair
+    #   anyio
+    #   fastapi
+    #   huggingface-hub
+    #   pydantic
+    #   pydantic-core
+    #   referencing
+tzdata==2025.1
+    # via pandas
+urllib3==2.3.0
+    # via requests
+uvicorn==0.34.0
+    # via skore (skore/pyproject.toml)
+virtualenv==20.29.1
+    # via pre-commit
diff --git a/skore/ci/requirements/python-3.11/.python-version b/skore/ci/requirements/python-3.11/.python-version
new file mode 100644
index 000000000..2c0733315
--- /dev/null
+++ b/skore/ci/requirements/python-3.11/.python-version
@@ -0,0 +1 @@
+3.11
diff --git a/skore/ci/requirements/python-3.11/scikit-learn-1.6/test-requirements.txt b/skore/ci/requirements/python-3.11/scikit-learn-1.6/test-requirements.txt
new file mode 100644
index 000000000..fd89bac25
--- /dev/null
+++ b/skore/ci/requirements/python-3.11/scikit-learn-1.6/test-requirements.txt
@@ -0,0 +1,229 @@
+altair==5.5.0
+    # via skore (skore/pyproject.toml)
+annotated-types==0.7.0
+    # via pydantic
+anyio==4.8.0
+    # via
+    #   httpx
+    #   starlette
+attrs==25.1.0
+    # via
+    #   jsonschema
+    #   referencing
+certifi==2024.12.14
+    # via
+    #   httpcore
+    #   httpx
+    #   requests
+cfgv==3.4.0
+    # via pre-commit
+charset-normalizer==3.4.1
+    # via requests
+click==8.1.8
+    # via uvicorn
+contourpy==1.3.0
+    # via matplotlib
+coverage[toml]==7.6.10
+    # via pytest-cov
+cycler==0.12.1
+    # via matplotlib
+diskcache==5.6.3
+    # via skore (skore/pyproject.toml)
+distlib==0.3.9
+    # via virtualenv
+execnet==2.1.1
+    # via pytest-xdist
+fastapi==0.115.8
+    # via skore (skore/pyproject.toml)
+filelock==3.17.0
+    # via
+    #   huggingface-hub
+    #   virtualenv
+fonttools==4.55.8
+    # via matplotlib
+fsspec==2024.12.0
+    # via huggingface-hub
+h11==0.14.0
+    # via
+    #   httpcore
+    #   uvicorn
+httpcore==1.0.7
+    # via httpx
+httpx==0.28.1
+    # via skore (skore/pyproject.toml)
+huggingface-hub==0.28.1
+    # via skops
+identify==2.6.6
+    # via pre-commit
+idna==3.10
+    # via
+    #   anyio
+    #   httpx
+    #   requests
+iniconfig==2.0.0
+    # via pytest
+jinja2==3.1.5
+    # via
+    #   altair
+    #   skrub
+joblib==1.4.2
+    # via
+    #   scikit-learn
+    #   skore (skore/pyproject.toml)
+jsonschema==4.23.0
+    # via altair
+jsonschema-specifications==2024.10.1
+    # via jsonschema
+kiwisolver==1.4.7
+    # via matplotlib
+markdown-it-py==3.0.0
+    # via rich
+markupsafe==3.0.2
+    # via jinja2
+matplotlib==3.9.4
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+mdurl==0.1.2
+    # via markdown-it-py
+narwhals==1.24.1
+    # via altair
+nodeenv==1.9.1
+    # via pre-commit
+numpy==2.0.2
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+    #   scikit-learn
+    #   scipy
+    #   skore (skore/pyproject.toml)
+    #   skrub
+orjson==3.10.15
+    # via skore (skore/pyproject.toml)
+packaging==24.2
+    # via
+    #   altair
+    #   huggingface-hub
+    #   matplotlib
+    #   plotly
+    #   pytest
+    #   skops
+    #   skrub
+pandas==2.2.3
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+pillow==11.1.0
+    # via
+    #   matplotlib
+    #   skore (skore/pyproject.toml)
+platformdirs==4.3.6
+    # via
+    #   skore (skore/pyproject.toml)
+    #   virtualenv
+plotly==5.24.1
+    # via skore (skore/pyproject.toml)
+pluggy==1.5.0
+    # via pytest
+polars==1.21.0
+    # via skore (skore/pyproject.toml)
+pre-commit==4.1.0
+    # via skore (skore/pyproject.toml)
+psutil==6.1.1
+    # via skore (skore/pyproject.toml)
+pyarrow==19.0.0
+    # via skore (skore/pyproject.toml)
+pydantic==2.10.6
+    # via fastapi
+pydantic-core==2.27.2
+    # via pydantic
+pygments==2.19.1
+    # via rich
+pyparsing==3.2.1
+    # via matplotlib
+pytest==8.3.4
+    # via
+    #   pytest-cov
+    #   pytest-order
+    #   pytest-randomly
+    #   pytest-xdist
+    #   skore (skore/pyproject.toml)
+pytest-cov==6.0.0
+    # via skore (skore/pyproject.toml)
+pytest-order==1.3.0
+    # via skore (skore/pyproject.toml)
+pytest-randomly==3.16.0
+    # via skore (skore/pyproject.toml)
+pytest-xdist==3.6.1
+    # via skore (skore/pyproject.toml)
+python-dateutil==2.9.0.post0
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2024.2
+    # via pandas
+pyyaml==6.0.2
+    # via
+    #   huggingface-hub
+    #   pre-commit
+referencing==0.36.2
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+requests==2.32.3
+    # via
+    #   huggingface-hub
+    #   skrub
+rich==13.9.4
+    # via skore (skore/pyproject.toml)
+rpds-py==0.22.3
+    # via
+    #   jsonschema
+    #   referencing
+ruff==0.9.3
+    # via skore (skore/pyproject.toml)
+scikit-learn==1.6.1
+    # via
+    #   skops
+    #   skore (skore/pyproject.toml)
+    #   skrub
+scipy==1.13.1
+    # via
+    #   scikit-learn
+    #   skrub
+six==1.17.0
+    # via python-dateutil
+skops==0.11.0
+    # via skore (skore/pyproject.toml)
+skrub==0.5.1
+    # via skore (skore/pyproject.toml)
+sniffio==1.3.1
+    # via anyio
+starlette==0.45.3
+    # via fastapi
+tabulate==0.9.0
+    # via skops
+tenacity==9.0.0
+    # via plotly
+threadpoolctl==3.5.0
+    # via scikit-learn
+tqdm==4.67.1
+    # via huggingface-hub
+typing-extensions==4.12.2
+    # via
+    #   altair
+    #   anyio
+    #   fastapi
+    #   huggingface-hub
+    #   pydantic
+    #   pydantic-core
+    #   referencing
+tzdata==2025.1
+    # via pandas
+urllib3==2.3.0
+    # via requests
+uvicorn==0.34.0
+    # via skore (skore/pyproject.toml)
+virtualenv==20.29.1
+    # via pre-commit
diff --git a/skore/ci/requirements/python-3.12/.python-version b/skore/ci/requirements/python-3.12/.python-version
new file mode 100644
index 000000000..e4fba2183
--- /dev/null
+++ b/skore/ci/requirements/python-3.12/.python-version
@@ -0,0 +1 @@
+3.12
diff --git a/skore/ci/requirements/python-3.12/scikit-learn-1.4/test-requirements.txt b/skore/ci/requirements/python-3.12/scikit-learn-1.4/test-requirements.txt
new file mode 100644
index 000000000..28c3fdc4b
--- /dev/null
+++ b/skore/ci/requirements/python-3.12/scikit-learn-1.4/test-requirements.txt
@@ -0,0 +1,229 @@
+altair==5.5.0
+    # via skore (skore/pyproject.toml)
+annotated-types==0.7.0
+    # via pydantic
+anyio==4.8.0
+    # via
+    #   httpx
+    #   starlette
+attrs==25.1.0
+    # via
+    #   jsonschema
+    #   referencing
+certifi==2024.12.14
+    # via
+    #   httpcore
+    #   httpx
+    #   requests
+cfgv==3.4.0
+    # via pre-commit
+charset-normalizer==3.4.1
+    # via requests
+click==8.1.8
+    # via uvicorn
+contourpy==1.3.0
+    # via matplotlib
+coverage[toml]==7.6.10
+    # via pytest-cov
+cycler==0.12.1
+    # via matplotlib
+diskcache==5.6.3
+    # via skore (skore/pyproject.toml)
+distlib==0.3.9
+    # via virtualenv
+execnet==2.1.1
+    # via pytest-xdist
+fastapi==0.115.8
+    # via skore (skore/pyproject.toml)
+filelock==3.17.0
+    # via
+    #   huggingface-hub
+    #   virtualenv
+fonttools==4.55.8
+    # via matplotlib
+fsspec==2024.12.0
+    # via huggingface-hub
+h11==0.14.0
+    # via
+    #   httpcore
+    #   uvicorn
+httpcore==1.0.7
+    # via httpx
+httpx==0.28.1
+    # via skore (skore/pyproject.toml)
+huggingface-hub==0.28.1
+    # via skops
+identify==2.6.6
+    # via pre-commit
+idna==3.10
+    # via
+    #   anyio
+    #   httpx
+    #   requests
+iniconfig==2.0.0
+    # via pytest
+jinja2==3.1.5
+    # via
+    #   altair
+    #   skrub
+joblib==1.4.2
+    # via
+    #   scikit-learn
+    #   skore (skore/pyproject.toml)
+jsonschema==4.23.0
+    # via altair
+jsonschema-specifications==2024.10.1
+    # via jsonschema
+kiwisolver==1.4.7
+    # via matplotlib
+markdown-it-py==3.0.0
+    # via rich
+markupsafe==3.0.2
+    # via jinja2
+matplotlib==3.9.4
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+mdurl==0.1.2
+    # via markdown-it-py
+narwhals==1.24.1
+    # via altair
+nodeenv==1.9.1
+    # via pre-commit
+numpy==2.0.2
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+    #   scikit-learn
+    #   scipy
+    #   skore (skore/pyproject.toml)
+    #   skrub
+orjson==3.10.15
+    # via skore (skore/pyproject.toml)
+packaging==24.2
+    # via
+    #   altair
+    #   huggingface-hub
+    #   matplotlib
+    #   plotly
+    #   pytest
+    #   skops
+    #   skrub
+pandas==2.2.3
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+pillow==11.1.0
+    # via
+    #   matplotlib
+    #   skore (skore/pyproject.toml)
+platformdirs==4.3.6
+    # via
+    #   skore (skore/pyproject.toml)
+    #   virtualenv
+plotly==5.24.1
+    # via skore (skore/pyproject.toml)
+pluggy==1.5.0
+    # via pytest
+polars==1.21.0
+    # via skore (skore/pyproject.toml)
+pre-commit==4.1.0
+    # via skore (skore/pyproject.toml)
+psutil==6.1.1
+    # via skore (skore/pyproject.toml)
+pyarrow==19.0.0
+    # via skore (skore/pyproject.toml)
+pydantic==2.10.6
+    # via fastapi
+pydantic-core==2.27.2
+    # via pydantic
+pygments==2.19.1
+    # via rich
+pyparsing==3.2.1
+    # via matplotlib
+pytest==8.3.4
+    # via
+    #   pytest-cov
+    #   pytest-order
+    #   pytest-randomly
+    #   pytest-xdist
+    #   skore (skore/pyproject.toml)
+pytest-cov==6.0.0
+    # via skore (skore/pyproject.toml)
+pytest-order==1.3.0
+    # via skore (skore/pyproject.toml)
+pytest-randomly==3.16.0
+    # via skore (skore/pyproject.toml)
+pytest-xdist==3.6.1
+    # via skore (skore/pyproject.toml)
+python-dateutil==2.9.0.post0
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2024.2
+    # via pandas
+pyyaml==6.0.2
+    # via
+    #   huggingface-hub
+    #   pre-commit
+referencing==0.36.2
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+requests==2.32.3
+    # via
+    #   huggingface-hub
+    #   skrub
+rich==13.9.4
+    # via skore (skore/pyproject.toml)
+rpds-py==0.22.3
+    # via
+    #   jsonschema
+    #   referencing
+ruff==0.9.3
+    # via skore (skore/pyproject.toml)
+scikit-learn==1.4.2
+    # via
+    #   skops
+    #   skore (skore/pyproject.toml)
+    #   skrub
+scipy==1.13.1
+    # via
+    #   scikit-learn
+    #   skrub
+six==1.17.0
+    # via python-dateutil
+skops==0.11.0
+    # via skore (skore/pyproject.toml)
+skrub==0.5.1
+    # via skore (skore/pyproject.toml)
+sniffio==1.3.1
+    # via anyio
+starlette==0.45.3
+    # via fastapi
+tabulate==0.9.0
+    # via skops
+tenacity==9.0.0
+    # via plotly
+threadpoolctl==3.5.0
+    # via scikit-learn
+tqdm==4.67.1
+    # via huggingface-hub
+typing-extensions==4.12.2
+    # via
+    #   altair
+    #   anyio
+    #   fastapi
+    #   huggingface-hub
+    #   pydantic
+    #   pydantic-core
+    #   referencing
+tzdata==2025.1
+    # via pandas
+urllib3==2.3.0
+    # via requests
+uvicorn==0.34.0
+    # via skore (skore/pyproject.toml)
+virtualenv==20.29.1
+    # via pre-commit
diff --git a/skore/ci/requirements/python-3.12/scikit-learn-1.5/test-requirements.txt b/skore/ci/requirements/python-3.12/scikit-learn-1.5/test-requirements.txt
new file mode 100644
index 000000000..43792f379
--- /dev/null
+++ b/skore/ci/requirements/python-3.12/scikit-learn-1.5/test-requirements.txt
@@ -0,0 +1,229 @@
+altair==5.5.0
+    # via skore (skore/pyproject.toml)
+annotated-types==0.7.0
+    # via pydantic
+anyio==4.8.0
+    # via
+    #   httpx
+    #   starlette
+attrs==25.1.0
+    # via
+    #   jsonschema
+    #   referencing
+certifi==2024.12.14
+    # via
+    #   httpcore
+    #   httpx
+    #   requests
+cfgv==3.4.0
+    # via pre-commit
+charset-normalizer==3.4.1
+    # via requests
+click==8.1.8
+    # via uvicorn
+contourpy==1.3.0
+    # via matplotlib
+coverage[toml]==7.6.10
+    # via pytest-cov
+cycler==0.12.1
+    # via matplotlib
+diskcache==5.6.3
+    # via skore (skore/pyproject.toml)
+distlib==0.3.9
+    # via virtualenv
+execnet==2.1.1
+    # via pytest-xdist
+fastapi==0.115.8
+    # via skore (skore/pyproject.toml)
+filelock==3.17.0
+    # via
+    #   huggingface-hub
+    #   virtualenv
+fonttools==4.55.8
+    # via matplotlib
+fsspec==2024.12.0
+    # via huggingface-hub
+h11==0.14.0
+    # via
+    #   httpcore
+    #   uvicorn
+httpcore==1.0.7
+    # via httpx
+httpx==0.28.1
+    # via skore (skore/pyproject.toml)
+huggingface-hub==0.28.1
+    # via skops
+identify==2.6.6
+    # via pre-commit
+idna==3.10
+    # via
+    #   anyio
+    #   httpx
+    #   requests
+iniconfig==2.0.0
+    # via pytest
+jinja2==3.1.5
+    # via
+    #   altair
+    #   skrub
+joblib==1.4.2
+    # via
+    #   scikit-learn
+    #   skore (skore/pyproject.toml)
+jsonschema==4.23.0
+    # via altair
+jsonschema-specifications==2024.10.1
+    # via jsonschema
+kiwisolver==1.4.7
+    # via matplotlib
+markdown-it-py==3.0.0
+    # via rich
+markupsafe==3.0.2
+    # via jinja2
+matplotlib==3.9.4
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+mdurl==0.1.2
+    # via markdown-it-py
+narwhals==1.24.1
+    # via altair
+nodeenv==1.9.1
+    # via pre-commit
+numpy==2.0.2
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+    #   scikit-learn
+    #   scipy
+    #   skore (skore/pyproject.toml)
+    #   skrub
+orjson==3.10.15
+    # via skore (skore/pyproject.toml)
+packaging==24.2
+    # via
+    #   altair
+    #   huggingface-hub
+    #   matplotlib
+    #   plotly
+    #   pytest
+    #   skops
+    #   skrub
+pandas==2.2.3
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+pillow==11.1.0
+    # via
+    #   matplotlib
+    #   skore (skore/pyproject.toml)
+platformdirs==4.3.6
+    # via
+    #   skore (skore/pyproject.toml)
+    #   virtualenv
+plotly==5.24.1
+    # via skore (skore/pyproject.toml)
+pluggy==1.5.0
+    # via pytest
+polars==1.21.0
+    # via skore (skore/pyproject.toml)
+pre-commit==4.1.0
+    # via skore (skore/pyproject.toml)
+psutil==6.1.1
+    # via skore (skore/pyproject.toml)
+pyarrow==19.0.0
+    # via skore (skore/pyproject.toml)
+pydantic==2.10.6
+    # via fastapi
+pydantic-core==2.27.2
+    # via pydantic
+pygments==2.19.1
+    # via rich
+pyparsing==3.2.1
+    # via matplotlib
+pytest==8.3.4
+    # via
+    #   pytest-cov
+    #   pytest-order
+    #   pytest-randomly
+    #   pytest-xdist
+    #   skore (skore/pyproject.toml)
+pytest-cov==6.0.0
+    # via skore (skore/pyproject.toml)
+pytest-order==1.3.0
+    # via skore (skore/pyproject.toml)
+pytest-randomly==3.16.0
+    # via skore (skore/pyproject.toml)
+pytest-xdist==3.6.1
+    # via skore (skore/pyproject.toml)
+python-dateutil==2.9.0.post0
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2024.2
+    # via pandas
+pyyaml==6.0.2
+    # via
+    #   huggingface-hub
+    #   pre-commit
+referencing==0.36.2
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+requests==2.32.3
+    # via
+    #   huggingface-hub
+    #   skrub
+rich==13.9.4
+    # via skore (skore/pyproject.toml)
+rpds-py==0.22.3
+    # via
+    #   jsonschema
+    #   referencing
+ruff==0.9.3
+    # via skore (skore/pyproject.toml)
+scikit-learn==1.5.2
+    # via
+    #   skops
+    #   skore (skore/pyproject.toml)
+    #   skrub
+scipy==1.13.1
+    # via
+    #   scikit-learn
+    #   skrub
+six==1.17.0
+    # via python-dateutil
+skops==0.11.0
+    # via skore (skore/pyproject.toml)
+skrub==0.5.1
+    # via skore (skore/pyproject.toml)
+sniffio==1.3.1
+    # via anyio
+starlette==0.45.3
+    # via fastapi
+tabulate==0.9.0
+    # via skops
+tenacity==9.0.0
+    # via plotly
+threadpoolctl==3.5.0
+    # via scikit-learn
+tqdm==4.67.1
+    # via huggingface-hub
+typing-extensions==4.12.2
+    # via
+    #   altair
+    #   anyio
+    #   fastapi
+    #   huggingface-hub
+    #   pydantic
+    #   pydantic-core
+    #   referencing
+tzdata==2025.1
+    # via pandas
+urllib3==2.3.0
+    # via requests
+uvicorn==0.34.0
+    # via skore (skore/pyproject.toml)
+virtualenv==20.29.1
+    # via pre-commit
diff --git a/skore/ci/requirements/python-3.12/scikit-learn-1.6/test-requirements.txt b/skore/ci/requirements/python-3.12/scikit-learn-1.6/test-requirements.txt
new file mode 100644
index 000000000..fd89bac25
--- /dev/null
+++ b/skore/ci/requirements/python-3.12/scikit-learn-1.6/test-requirements.txt
@@ -0,0 +1,229 @@
+altair==5.5.0
+    # via skore (skore/pyproject.toml)
+annotated-types==0.7.0
+    # via pydantic
+anyio==4.8.0
+    # via
+    #   httpx
+    #   starlette
+attrs==25.1.0
+    # via
+    #   jsonschema
+    #   referencing
+certifi==2024.12.14
+    # via
+    #   httpcore
+    #   httpx
+    #   requests
+cfgv==3.4.0
+    # via pre-commit
+charset-normalizer==3.4.1
+    # via requests
+click==8.1.8
+    # via uvicorn
+contourpy==1.3.0
+    # via matplotlib
+coverage[toml]==7.6.10
+    # via pytest-cov
+cycler==0.12.1
+    # via matplotlib
+diskcache==5.6.3
+    # via skore (skore/pyproject.toml)
+distlib==0.3.9
+    # via virtualenv
+execnet==2.1.1
+    # via pytest-xdist
+fastapi==0.115.8
+    # via skore (skore/pyproject.toml)
+filelock==3.17.0
+    # via
+    #   huggingface-hub
+    #   virtualenv
+fonttools==4.55.8
+    # via matplotlib
+fsspec==2024.12.0
+    # via huggingface-hub
+h11==0.14.0
+    # via
+    #   httpcore
+    #   uvicorn
+httpcore==1.0.7
+    # via httpx
+httpx==0.28.1
+    # via skore (skore/pyproject.toml)
+huggingface-hub==0.28.1
+    # via skops
+identify==2.6.6
+    # via pre-commit
+idna==3.10
+    # via
+    #   anyio
+    #   httpx
+    #   requests
+iniconfig==2.0.0
+    # via pytest
+jinja2==3.1.5
+    # via
+    #   altair
+    #   skrub
+joblib==1.4.2
+    # via
+    #   scikit-learn
+    #   skore (skore/pyproject.toml)
+jsonschema==4.23.0
+    # via altair
+jsonschema-specifications==2024.10.1
+    # via jsonschema
+kiwisolver==1.4.7
+    # via matplotlib
+markdown-it-py==3.0.0
+    # via rich
+markupsafe==3.0.2
+    # via jinja2
+matplotlib==3.9.4
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+mdurl==0.1.2
+    # via markdown-it-py
+narwhals==1.24.1
+    # via altair
+nodeenv==1.9.1
+    # via pre-commit
+numpy==2.0.2
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+    #   scikit-learn
+    #   scipy
+    #   skore (skore/pyproject.toml)
+    #   skrub
+orjson==3.10.15
+    # via skore (skore/pyproject.toml)
+packaging==24.2
+    # via
+    #   altair
+    #   huggingface-hub
+    #   matplotlib
+    #   plotly
+    #   pytest
+    #   skops
+    #   skrub
+pandas==2.2.3
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+pillow==11.1.0
+    # via
+    #   matplotlib
+    #   skore (skore/pyproject.toml)
+platformdirs==4.3.6
+    # via
+    #   skore (skore/pyproject.toml)
+    #   virtualenv
+plotly==5.24.1
+    # via skore (skore/pyproject.toml)
+pluggy==1.5.0
+    # via pytest
+polars==1.21.0
+    # via skore (skore/pyproject.toml)
+pre-commit==4.1.0
+    # via skore (skore/pyproject.toml)
+psutil==6.1.1
+    # via skore (skore/pyproject.toml)
+pyarrow==19.0.0
+    # via skore (skore/pyproject.toml)
+pydantic==2.10.6
+    # via fastapi
+pydantic-core==2.27.2
+    # via pydantic
+pygments==2.19.1
+    # via rich
+pyparsing==3.2.1
+    # via matplotlib
+pytest==8.3.4
+    # via
+    #   pytest-cov
+    #   pytest-order
+    #   pytest-randomly
+    #   pytest-xdist
+    #   skore (skore/pyproject.toml)
+pytest-cov==6.0.0
+    # via skore (skore/pyproject.toml)
+pytest-order==1.3.0
+    # via skore (skore/pyproject.toml)
+pytest-randomly==3.16.0
+    # via skore (skore/pyproject.toml)
+pytest-xdist==3.6.1
+    # via skore (skore/pyproject.toml)
+python-dateutil==2.9.0.post0
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2024.2
+    # via pandas
+pyyaml==6.0.2
+    # via
+    #   huggingface-hub
+    #   pre-commit
+referencing==0.36.2
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+requests==2.32.3
+    # via
+    #   huggingface-hub
+    #   skrub
+rich==13.9.4
+    # via skore (skore/pyproject.toml)
+rpds-py==0.22.3
+    # via
+    #   jsonschema
+    #   referencing
+ruff==0.9.3
+    # via skore (skore/pyproject.toml)
+scikit-learn==1.6.1
+    # via
+    #   skops
+    #   skore (skore/pyproject.toml)
+    #   skrub
+scipy==1.13.1
+    # via
+    #   scikit-learn
+    #   skrub
+six==1.17.0
+    # via python-dateutil
+skops==0.11.0
+    # via skore (skore/pyproject.toml)
+skrub==0.5.1
+    # via skore (skore/pyproject.toml)
+sniffio==1.3.1
+    # via anyio
+starlette==0.45.3
+    # via fastapi
+tabulate==0.9.0
+    # via skops
+tenacity==9.0.0
+    # via plotly
+threadpoolctl==3.5.0
+    # via scikit-learn
+tqdm==4.67.1
+    # via huggingface-hub
+typing-extensions==4.12.2
+    # via
+    #   altair
+    #   anyio
+    #   fastapi
+    #   huggingface-hub
+    #   pydantic
+    #   pydantic-core
+    #   referencing
+tzdata==2025.1
+    # via pandas
+urllib3==2.3.0
+    # via requests
+uvicorn==0.34.0
+    # via skore (skore/pyproject.toml)
+virtualenv==20.29.1
+    # via pre-commit
diff --git a/skore/ci/requirements/python-3.9/.python-version b/skore/ci/requirements/python-3.9/.python-version
new file mode 100644
index 000000000..bd28b9c5c
--- /dev/null
+++ b/skore/ci/requirements/python-3.9/.python-version
@@ -0,0 +1 @@
+3.9
diff --git a/skore/ci/requirements/python-3.9/scikit-learn-1.6/test-requirements.txt b/skore/ci/requirements/python-3.9/scikit-learn-1.6/test-requirements.txt
new file mode 100644
index 000000000..fd89bac25
--- /dev/null
+++ b/skore/ci/requirements/python-3.9/scikit-learn-1.6/test-requirements.txt
@@ -0,0 +1,229 @@
+altair==5.5.0
+    # via skore (skore/pyproject.toml)
+annotated-types==0.7.0
+    # via pydantic
+anyio==4.8.0
+    # via
+    #   httpx
+    #   starlette
+attrs==25.1.0
+    # via
+    #   jsonschema
+    #   referencing
+certifi==2024.12.14
+    # via
+    #   httpcore
+    #   httpx
+    #   requests
+cfgv==3.4.0
+    # via pre-commit
+charset-normalizer==3.4.1
+    # via requests
+click==8.1.8
+    # via uvicorn
+contourpy==1.3.0
+    # via matplotlib
+coverage[toml]==7.6.10
+    # via pytest-cov
+cycler==0.12.1
+    # via matplotlib
+diskcache==5.6.3
+    # via skore (skore/pyproject.toml)
+distlib==0.3.9
+    # via virtualenv
+execnet==2.1.1
+    # via pytest-xdist
+fastapi==0.115.8
+    # via skore (skore/pyproject.toml)
+filelock==3.17.0
+    # via
+    #   huggingface-hub
+    #   virtualenv
+fonttools==4.55.8
+    # via matplotlib
+fsspec==2024.12.0
+    # via huggingface-hub
+h11==0.14.0
+    # via
+    #   httpcore
+    #   uvicorn
+httpcore==1.0.7
+    # via httpx
+httpx==0.28.1
+    # via skore (skore/pyproject.toml)
+huggingface-hub==0.28.1
+    # via skops
+identify==2.6.6
+    # via pre-commit
+idna==3.10
+    # via
+    #   anyio
+    #   httpx
+    #   requests
+iniconfig==2.0.0
+    # via pytest
+jinja2==3.1.5
+    # via
+    #   altair
+    #   skrub
+joblib==1.4.2
+    # via
+    #   scikit-learn
+    #   skore (skore/pyproject.toml)
+jsonschema==4.23.0
+    # via altair
+jsonschema-specifications==2024.10.1
+    # via jsonschema
+kiwisolver==1.4.7
+    # via matplotlib
+markdown-it-py==3.0.0
+    # via rich
+markupsafe==3.0.2
+    # via jinja2
+matplotlib==3.9.4
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+mdurl==0.1.2
+    # via markdown-it-py
+narwhals==1.24.1
+    # via altair
+nodeenv==1.9.1
+    # via pre-commit
+numpy==2.0.2
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+    #   scikit-learn
+    #   scipy
+    #   skore (skore/pyproject.toml)
+    #   skrub
+orjson==3.10.15
+    # via skore (skore/pyproject.toml)
+packaging==24.2
+    # via
+    #   altair
+    #   huggingface-hub
+    #   matplotlib
+    #   plotly
+    #   pytest
+    #   skops
+    #   skrub
+pandas==2.2.3
+    # via
+    #   skore (skore/pyproject.toml)
+    #   skrub
+pillow==11.1.0
+    # via
+    #   matplotlib
+    #   skore (skore/pyproject.toml)
+platformdirs==4.3.6
+    # via
+    #   skore (skore/pyproject.toml)
+    #   virtualenv
+plotly==5.24.1
+    # via skore (skore/pyproject.toml)
+pluggy==1.5.0
+    # via pytest
+polars==1.21.0
+    # via skore (skore/pyproject.toml)
+pre-commit==4.1.0
+    # via skore (skore/pyproject.toml)
+psutil==6.1.1
+    # via skore (skore/pyproject.toml)
+pyarrow==19.0.0
+    # via skore (skore/pyproject.toml)
+pydantic==2.10.6
+    # via fastapi
+pydantic-core==2.27.2
+    # via pydantic
+pygments==2.19.1
+    # via rich
+pyparsing==3.2.1
+    # via matplotlib
+pytest==8.3.4
+    # via
+    #   pytest-cov
+    #   pytest-order
+    #   pytest-randomly
+    #   pytest-xdist
+    #   skore (skore/pyproject.toml)
+pytest-cov==6.0.0
+    # via skore (skore/pyproject.toml)
+pytest-order==1.3.0
+    # via skore (skore/pyproject.toml)
+pytest-randomly==3.16.0
+    # via skore (skore/pyproject.toml)
+pytest-xdist==3.6.1
+    # via skore (skore/pyproject.toml)
+python-dateutil==2.9.0.post0
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2024.2
+    # via pandas
+pyyaml==6.0.2
+    # via
+    #   huggingface-hub
+    #   pre-commit
+referencing==0.36.2
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+requests==2.32.3
+    # via
+    #   huggingface-hub
+    #   skrub
+rich==13.9.4
+    # via skore (skore/pyproject.toml)
+rpds-py==0.22.3
+    # via
+    #   jsonschema
+    #   referencing
+ruff==0.9.3
+    # via skore (skore/pyproject.toml)
+scikit-learn==1.6.1
+    # via
+    #   skops
+    #   skore (skore/pyproject.toml)
+    #   skrub
+scipy==1.13.1
+    # via
+    #   scikit-learn
+    #   skrub
+six==1.17.0
+    # via python-dateutil
+skops==0.11.0
+    # via skore (skore/pyproject.toml)
+skrub==0.5.1
+    # via skore (skore/pyproject.toml)
+sniffio==1.3.1
+    # via anyio
+starlette==0.45.3
+    # via fastapi
+tabulate==0.9.0
+    # via skops
+tenacity==9.0.0
+    # via plotly
+threadpoolctl==3.5.0
+    # via scikit-learn
+tqdm==4.67.1
+    # via huggingface-hub
+typing-extensions==4.12.2
+    # via
+    #   altair
+    #   anyio
+    #   fastapi
+    #   huggingface-hub
+    #   pydantic
+    #   pydantic-core
+    #   referencing
+tzdata==2025.1
+    # via pandas
+urllib3==2.3.0
+    # via requests
+uvicorn==0.34.0
+    # via skore (skore/pyproject.toml)
+virtualenv==20.29.1
+    # via pre-commit
diff --git a/skore/hatch/metadata.py b/skore/hatch/metadata.py
index cf5ab0944..bc8da2ab2 100644
--- a/skore/hatch/metadata.py
+++ b/skore/hatch/metadata.py
@@ -1,23 +1,71 @@
-import shutil
 from pathlib import Path
-from contextlib import suppress
 
 from hatchling.metadata.plugin.interface import MetadataHookInterface
 
 
+def readlines(filepath):
+    with open(filepath) as file:
+        yield from file
+
+
 class MetadataHook(MetadataHookInterface):
     def update(self, metadata):
-        license_path = Path(self.root, self.config["license-file"])
-        license = license_path.read_text(encoding="utf-8")
-        readme = Path(self.root, self.config["readme-file"]).read_text(encoding="utf-8")
-        version = self.config["version-default"]
+        """
+        Notes
+        -----
+        Example of configuration:
+
+            {
+                'path': 'hatch/metadata.py',
+                'version-default': '0.0.0+unknown',
+                'license': {'file': '../LICENSE'},
+                'readme': {'file': '../README.md'},
+                'dependencies': {'file': 'requirements.in'},
+                'optional-dependencies': {
+                    'test': {'file': 'test-requirements.in'},
+                    'sphinx': {'file': 'sphinx-requirements.in'},
+                }
+            }
+        """
+
+        # Retrieve LICENCE from root files
+        license_filepath = self.config["license"]["file"]
+        license = Path(self.root, license_filepath).read_text(encoding="utf-8")
+
+        # Copy LICENCE file in `sdist`
+        with open(Path(self.root, "LICENSE"), "w") as f:
+            f.write(license)
 
-        with suppress(FileNotFoundError):
+        # Retrieve README from root files
+        readme_filepath = self.config["readme"]["file"]
+        readme = Path(self.root, readme_filepath).read_text(encoding="utf-8")
+
+        # Retrieve VERSION from file created by the CI
+        try:
             version = Path(self.root, "VERSION.txt").read_text(encoding="utf-8")
+        except FileNotFoundError:
+            version = self.config["version-default"]
+
+        # Retrieve dependencies from requirements.in
+        dependencies_filepath = self.config["dependencies"]["file"]
+        dependencies = list(map(str.strip, readlines(dependencies_filepath)))
+
+        # Retrieve optional dependencies from *-requirements.in
+        optional_dependencies_label_to_filepath = self.config["optional-dependencies"]
+        optional_dependencies = {}
 
+        for label, filepath in optional_dependencies_label_to_filepath.items():
+            optional_dependencies_filepath = filepath["file"]
+            optional_dependencies[label] = list(
+                map(
+                    str.strip,
+                    readlines(optional_dependencies_filepath),
+                )
+            )
+
+        # Update metadata
         metadata["license"] = {"text": license, "content-type": "text/plain"}
         metadata["readme"] = {"text": readme, "content-type": "text/markdown"}
         metadata["version"] = version
-
-        license_dest = Path(self.root, license_path.name)
-        shutil.copy2(license_path, license_dest)
+        metadata["dependencies"] = dependencies
+        metadata["optional-dependencies"] = optional_dependencies
diff --git a/skore/pyproject.toml b/skore/pyproject.toml
index 797694760..5a3b34b8f 100644
--- a/skore/pyproject.toml
+++ b/skore/pyproject.toml
@@ -1,26 +1,15 @@
 [project]
 name = "skore"
 description = "the scikit-learn sidekick"
-dynamic = ["license", "readme", "version"]
+dynamic = [
+  "license",
+  "readme",
+  "version",
+  "dependencies",
+  "optional-dependencies",
+]
 requires-python = ">=3.9, <3.13"
 maintainers = [{ name = "skore developers", email = "skore@signal.probabl.ai" }]
-dependencies = [
-  "diskcache",
-  "fastapi",
-  "joblib",
-  "matplotlib",
-  "numpy",
-  "orjson",
-  "pandas",
-  "plotly>=5,<6",
-  "pyarrow",
-  "rich",
-  "scikit-learn",
-  "skops",
-  "uvicorn",
-  "platformdirs",
-  "psutil",
-]
 classifiers = [
   "Intended Audience :: Science/Research",
   "Intended Audience :: Developers",
@@ -56,9 +45,12 @@ build-backend = "hatchling.build"
 
 [tool.hatch.metadata.hooks.custom]
 path = "hatch/metadata.py"
-license-file = "../LICENSE"
-readme-file = "../README.md"
 version-default = "0.0.0+unknown"
+license = { "file" = "../LICENSE" }
+readme = { "file" = "../README.md" }
+dependencies = { "file" = "requirements.in" }
+optional-dependencies.test = { "file" = "test-requirements.in" }
+optional-dependencies.sphinx = { "file" = "sphinx-requirements.in" }
 
 [tool.hatch.build.targets.sdist]
 only-include = ["src/", "hatch/"]
@@ -68,41 +60,6 @@ artifacts = ["src/skore/ui/static/"]
 package = ["src/skore/"]
 artifacts = ["src/skore/ui/static/"]
 
-[project.optional-dependencies]
-test = [
-  "altair>=5,<6",
-  "httpx",
-  "pillow",
-  "plotly",
-  "polars",
-  "pre-commit",
-  "pytest",
-  "pytest-cov",
-  "pytest-order",
-  "pytest-randomly",
-  "pytest-xdist",
-  "ruff",
-  "scikit-learn<1.7",
-  "skrub",
-]
-
-sphinx = [
-  "IPython",
-  "altair",
-  "numpydoc",
-  "polars",
-  "kaleido",
-  "pydata-sphinx-theme",
-  "sentence-transformers",
-  "sphinx",
-  "sphinx_autosummary_accessors",
-  "sphinx-design",
-  "sphinx-gallery",
-  "sphinx-copybutton",
-  "sphinx-tabs",
-  "skrub",
-]
-
 [tool.pytest.ini_options]
 addopts = [
   "--doctest-modules",
diff --git a/skore/requirements.in b/skore/requirements.in
new file mode 100644
index 000000000..56f2c0a1b
--- /dev/null
+++ b/skore/requirements.in
@@ -0,0 +1,15 @@
+diskcache
+fastapi
+joblib
+matplotlib
+numpy
+orjson
+pandas
+platformdirs
+plotly>=5,<6
+psutil
+pyarrow
+rich
+scikit-learn
+skops
+uvicorn
diff --git a/skore/sphinx-requirements.in b/skore/sphinx-requirements.in
new file mode 100644
index 000000000..ac11433f0
--- /dev/null
+++ b/skore/sphinx-requirements.in
@@ -0,0 +1,14 @@
+IPython
+altair
+numpydoc
+polars
+kaleido
+pydata-sphinx-theme
+sentence-transformers
+sphinx
+sphinx_autosummary_accessors
+sphinx-design
+sphinx-gallery
+sphinx-copybutton
+sphinx-tabs
+skrub
diff --git a/skore/test-requirements.in b/skore/test-requirements.in
new file mode 100644
index 000000000..1dbcf182e
--- /dev/null
+++ b/skore/test-requirements.in
@@ -0,0 +1,14 @@
+altair>=5,<6
+httpx
+pillow
+plotly
+polars
+pre-commit
+pytest
+pytest-cov
+pytest-order
+pytest-randomly
+pytest-xdist
+ruff
+scikit-learn<1.7
+skrub