diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 21cc593..b6335ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,3 +30,15 @@ jobs:
         stack-yaml: ${{ matrix.stack-yaml }}
         stack-arguments: --flag yesod-auth-oauth2:example
         weeder: false
+
+  tag:
+    runs-on: ubuntu-latest
+
+    if: ${{ github.ref == 'refs/heads/main' }}
+    needs: [test]
+
+    steps:
+      - uses: actions/checkout@v2
+      - env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        uses: freckle/haskell-tag@v1