diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b90bb74cb..c089675614 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -136,12 +136,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - run: pipx install poetry==2.0.0
+
       - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
+          cache: "poetry"
 
       - name: Install dependencies
-        run: python -m pip install --upgrade coverage[toml]
+        run: poetry install --only dev
 
       - name: Download data
         uses: actions/download-artifact@v4
@@ -155,7 +158,7 @@ jobs:
         # We added this step to replace the variable `MERGE_COVERAGE_FILES: true`
         # in the next step, which had started to raise errors
         # (https://github.com/fractal-analytics-platform/fractal-server/pull/1725).
-        run: coverage combine coverage-data-*
+        run: poetry run coverage combine coverage-data-*
 
       - name: Add coverage comment to Pull Requests
         id: coverage_comment
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2bb565c42..7e4d3531fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 * App:
     * Add missing space in "To" field for email settings (\#2173).
+* Testing:
+    * Improve configuration for coverage GitHub Action step (\#2175).
 
 # 2.10.4
 
diff --git a/pyproject.toml b/pyproject.toml
index a6718cc30c..5c490599e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,7 +114,10 @@ push = true
 branch = true
 parallel = true
 relative_files = true
-omit = ["tests/*", "benchmarks/*", "fractal_server/json_schemas/*"]
+omit = ["tests/*", "benchmarks/*", "fractal_server/json_schemas/*", "*/.venv/*"]
+
+[tool.coverage.report]
+omit = ["tests/*", "benchmarks/*", "fractal_server/json_schemas/*", "*/.venv/*"]
 
 [tool.mypy.overrides]
 module = ["devtools", "uvicorn", "pytest", "asgi_lifespan", "asyncpg"]