diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..045aa76
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,41 @@
+name: Publish to PyPI
+
+on:
+  push:
+    tags:
+      - "v*.*.*"   # trigger on version tags: v1.0.0, v1.2.3, …
+
+jobs:
+  pypi-publish:
+    name: Build and publish to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/batch-img
+    permissions:
+      id-token: write  # Mandatory for PyPI trusted publishing
+      contents: read
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v5
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install build tools
+        run: python3 -m pip install --upgrade pip hatchling twine build
+
+      - name: Build source and wheel dist
+        # Uses hatchling as defined in pyproject.toml
+        run: python3 -m build
+
+      - name: Validate dist files
+        run: twine check dist/*
+
+      - name: Publish dist to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/
diff --git a/release.yml b/release.yml
deleted file mode 100644
index a7f7331..0000000
--- a/release.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Publish to PyPI
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  pypi-publish:
-    name: Build and publish Python distribution to PyPI
-    runs-on: ubuntu-latest
-    environment:
-      name: pypi
-      url: https://pypi.org/p/batch-img
-    permissions:
-      id-token: write  # Mandatory for PyPI trusted publishing
-      contents: read
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v5
-
-      - name: Set up Python 3.13
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.13"
-
-      - name: Install build dependencies
-        run: python -m pip install --upgrade pip build
-
-      - name: Build source and wheel distributions
-        # Uses hatchling as defined in pyproject.toml
-        run: python -m build
-
-      - name: Publish package distributions to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1