diff --git a/.github/workflows/website-publish.yml b/.github/workflows/website-publish.yml
index eb475dca..ad8e2e31 100644
--- a/.github/workflows/website-publish.yml
+++ b/.github/workflows/website-publish.yml
@@ -12,10 +12,11 @@ on:
     branches: [main]
   workflow_dispatch:
 
-# Serialize deploys so two pushes don't race on the gh-pages branch.
+# Cancel in-progress runs on the same branch so we only publish the latest commit.
+# The called workflow handles serializing the actual gh-pages git push.
 concurrency:
-  group: gh-pages
-  cancel-in-progress: false
+  group: website-publish-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   publish: