diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5ab906587..ba762608b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/pyproject.toml b/pyproject.toml
index 4e42573ba..b67307ce5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,46 @@
+[tool.poetry]
+name = "bioimageio"
+version = "0.5.0"
+description = ""
+authors = ["Bioimage.IO Contributors"]
+packages = [{include = "bioimageio" }]
+
+
+[tool.poetry.dependencies]
+python = "^3.8"
+numpy = "*"
+pydantic = {version = ">=2.0.1"}
+packaging = {version = ">=17.0"}
+ruamel-yaml = "^0.18.5"
+deepdiff = "^6.7.1"
+email-validator = "^2.1.0.post1"
+python-dateutil = "^2.8.2"
+annotated-types = "^0.6.0"
+typing-extensions = "^4.8.0"
+lxml = "^4.9.3"
+torch = "^2.1.1"
+
+pytest-cov = {version="^4.1.0", optional = true}
+black = {version="^23.11.0", optional = true}
+pyright = {version="^1.1.336", optional = true}
+pooch = {version="^1.8.0", optional = true}
+pre-commit = {version="^3.5.0", optional = true}
+pytest = {version="^7.4.3", optional = true}
+marshmallow = "^3.20.1"
+marshmallow-union = "^0.1.15.post1"
+typer = "^0.9.0"
+
+[tool.poetry.extras]
+test = ["pytest-cov", "black", "pyright", "pooch", "pre-commit", "pytest"]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
 [tool.black]
 line-length = 120
 target-version = ['py38']
+
+
+[tool.poetry.scripts]
+bioimageio = "bioimageio.spec.__main__:app"
\ No newline at end of file