diff --git a/.github/workflows/auto-tag.yml b/.github/workflows/auto-tag.yml
new file mode 100644
index 0000000..216f098
--- /dev/null
+++ b/.github/workflows/auto-tag.yml
@@ -0,0 +1,18 @@
+name: Auto-tag main
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+
+jobs:
+  tag:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Force-update v1 tag
+        run: |
+          git tag -f v1
+          git push -f origin v1