diff --git a/.github/workflows/codegen.yml b/.github/workflows/codegen.yml
index 517133ad52..a243c7afe5 100644
--- a/.github/workflows/codegen.yml
+++ b/.github/workflows/codegen.yml
@@ -10,7 +10,7 @@ on:
 name: codegen
 jobs:
   discovery:
-    uses: googleapis/discovery-artifact-manager/.github/workflows/list-services.yml@5f95d26414a7f693c9a41e4cd081a6c49f1f6e91 # master
+    uses: googleapis/discovery-artifact-manager/.github/workflows/list-services.yml@a4ebecb5b7501f788d10393593c767558abf7abf # master
   batch:
     runs-on: ubuntu-24.04
     needs: discovery