diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4760030a..ac1ecf6c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -103,7 +103,7 @@ jobs:
       - run: rustup update && rustup target add aarch64-apple-darwin
       - run: pip install maturin
       - run: sed -i 's/path="..\/lib", //g' python/Cargo.toml
-      - run: maturin build --release -m python/Cargo.toml --universal2
+      - run: maturin build --release --no-sdist --universal2 -m python/Cargo.toml
       - run: maturin build --release --no-sdist -m python/Cargo.toml
       - uses: pypa/gh-action-pypi-publish@release/v1
         with:
@@ -138,6 +138,25 @@ jobs:
         with:
           files: target/wheels/*
 
+  publish_pypi_stdist:
+    runs-on: ubuntu-latest
+    needs: publish_crates
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - run: pip install maturin
+      - run: sed -i 's/path="..\/lib", //g' python/Cargo.toml
+      - run: maturin sdist -m python/Cargo.toml
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_PASSWORD }}
+          packages_dir: target/wheels
+      - uses: softprops/action-gh-release@v1
+        with:
+          files: target/wheels/*
+
   publish_npm:
     runs-on: ubuntu-latest
     steps:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index de818a59..9436831c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -89,13 +89,12 @@ jobs:
       - uses: actions/setup-python@v2
         with:
           python-version: "3.10"
-      - run: python -m venv python/venv
-      - run: source python/venv/bin/activate && pip install --upgrade maturin sphinx
-      - run: source venv/bin/activate && maturin develop
-        working-directory: ./python
-      - run: source ../venv/bin/activate && python -m unittest
+      - run: pip install --upgrade maturin sphinx
+      - run: maturin sdist -m python/Cargo.toml
+      - run: pip install target/wheels/*.tar.gz
+      - run: python -m unittest
         working-directory: ./python/tests
-      - run: source ../venv/bin/activate && sphinx-build -M doctest . build
+      - run: sphinx-build -M doctest . build
         working-directory: ./python/docs
-      - run: source ../venv/bin/activate && sphinx-build -M html . build
+      - run: sphinx-build -M html . build
         working-directory: ./python/docs
diff --git a/python/Cargo.lock b/python/Cargo.lock
new file mode 120000
index 00000000..09fdd3b6
--- /dev/null
+++ b/python/Cargo.lock
@@ -0,0 +1 @@
+../Cargo.lock
\ No newline at end of file
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 5e8eb011..7fac216a 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -27,3 +27,6 @@ Documentation = "https://oxigraph.org/pyoxigraph/"
 Homepage = "https://oxigraph.org/pyoxigraph/"
 Source = "https://github.com/oxigraph/oxigraph/tree/master/python"
 Tracker = "https://github.com/oxigraph/oxigraph/issues"
+
+[tool.maturin]
+cargo-extra-args = "--frozen"