diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..4b54dce
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,31 @@
+name: Upload Python Package
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+
+      - name: Build package
+        run: python -m build
+
+      - name: Publish package
+        uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/DEVELOPER.md b/DEVELOPER.md
index 25a3fbb..7ba9473 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -32,15 +32,3 @@ An item type may have:
 
 After creating a new item type, Add a line in the mapping table in `README.md`,
 and add a subsection in the same section of the `README.md`.
-
-## Publishing a release
-
-These notes are here just in case I forget the process, because I do those
-things too rarely to remember them correctly...
-
-First, change version in `setup.py`, then execute:
-
-```plain
-python3 -m build
-python3 -m twine upload dist/*
-```