diff --git a/.github/workflows/submodule_update.yml b/.github/workflows/submodule_update.yml
index bafca71b22..b218a40e24 100644
--- a/.github/workflows/submodule_update.yml
+++ b/.github/workflows/submodule_update.yml
@@ -46,5 +46,5 @@ jobs:
         base: main
         delete-branch: true
         branch: update-envoy
-        branch-suffix: short-commit-hash
+        branch-suffix: timestamp
         reviewers: ${{ steps.support.outputs.maintainer }}