diff --git a/.github/workflows/update_generation_config.yaml b/.github/workflows/update_generation_config.yaml
index 59e39834d..a7e14bb48 100644
--- a/.github/workflows/update_generation_config.yaml
+++ b/.github/workflows/update_generation_config.yaml
@@ -26,7 +26,7 @@ jobs:
       # the branch into which the pull request is merged
       base_branch: main
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
         token: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
diff --git a/generation_config.yaml b/generation_config.yaml
index afd0df121..69b799df9 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.62.0
-googleapis_commitish: 3b2a2ae91db23a9c879b2b725d6a5de6bd64a800
+googleapis_commitish: bf317d7c0066ba9ad66b880f5a9a060673db8cb4
 libraries_bom_version: 26.66.0
 libraries:
   - api_shortname: pubsub