diff --git a/.github/workflows/signed-commit-authors.yml b/.github/workflows/signed-commit-authors.yml
index 0926379..2da44cb 100644
--- a/.github/workflows/signed-commit-authors.yml
+++ b/.github/workflows/signed-commit-authors.yml
@@ -8,7 +8,7 @@
 # The verifier needs a pull_request payload, so merge_group no-ops and passes.
 name: Signed Commit Authors
 
-on:
+'on':
   pull_request_target:
     types: [opened, synchronize, reopened]
   merge_group: