diff --git a/.github/actions/build-dist/action.yml b/.github/actions/build-dist/action.yml
new file mode 100644
index 0000000..8210603
--- /dev/null
+++ b/.github/actions/build-dist/action.yml
@@ -0,0 +1,26 @@
+name: Build incremental
+description: Build and upload sdist and wheel
+
+runs:
+  using: "composite"
+  steps:
+
+  - uses: actions/checkout@v4
+
+  - uses: actions/setup-python@v5
+    with:
+      python-version: "3.12"
+
+  - run: pip install build twine
+    shell: bash
+
+  - run: python3 -m build
+    shell: bash
+
+  - run: twine check dist/*.*
+    shell: bash
+
+  - uses: actions/upload-artifact@v4
+    with:
+      name: dist
+      path: dist/*.*
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..9fb0461
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,36 @@
+name: Release
+
+on:
+  push:
+    tags: ["incremental-*"]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: ./.github/actions/build-dist
+
+  pypi-publish:
+    runs-on: ubuntu-24.04
+    if: startsWith(github.ref, 'refs/tags/incremental-')
+    needs: [build]
+
+    environment:
+      name: release
+      url: https://pypi.org/p/incremental
+
+    permissions:
+      id-token: write
+
+    steps:
+
+    - uses: actions/download-artifact@v4
+      with:
+        name: dist
+        path: dist/
+
+    - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index db25f29..f0f90f7 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -25,8 +25,15 @@ defaults:
 
 
 jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: ./.github/actions/build-dist
+
   testing:
     runs-on: ubuntu-24.04
+    needs: [build]
     env:
       TOXENV: "${{ matrix.tox-env }}"
     name: ${{ matrix.python-version }}-${{ matrix.tox-env }}
@@ -55,14 +62,20 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - uses: twisted/python-info-action@v1
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip tox
 
+    - uses: actions/download-artifact@v4
+      with:
+        name: dist
+        path: dist/
+
     - name: Run job via tox
       run: |
         # GitHub Actions VM have 2 CPUs.
-        TOX_PARALLEL_NO_SPINNER=1 tox --parallel 2
+        TOX_PARALLEL_NO_SPINNER=1 tox --parallel 2 --installpkg dist/*.whl
 
     - name: Prepare GitHub Pages
       if: contains(matrix['tox-env'], 'apidocs')
@@ -73,7 +86,7 @@ jobs:
 
     - name: Publish documentation for push on trunk
       # Since we don't have a separate job for apidocs gh-pages updating
-      # hijack the normal apidoc test and publish the resulting files. 
+      # hijack the normal apidoc test and publish the resulting files.
       if: contains(matrix['tox-env'], 'apidocs') && github.event_name == 'push'
       uses: peaceiris/actions-gh-pages@v3
       with:
diff --git a/.gitignore b/.gitignore
index c92c7ea..d5a7e37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,16 +5,15 @@
 _trial_temp*/
 build/
 dropin.cache
-doc/
-docs/_build/
-dist/
-venv/
-htmlcov/
+/doc/
+/docs/_build/
+/dist/
+/htmlcov/
 .coverage
 .coverage.*
 *~
 *.lock
 apidocs/
-.tox/
-.DS_Store
+/.tox/
+.DS_Store/
 coverage.xml