diff --git a/generation_config.yaml b/generation_config.yaml
index 9a061cce0..e411502f4 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.49.0
-googleapis_commitish: 8c534a5c3afe69eeca1b9d4c8415d6d1952aa5ce
+googleapis_commitish: abc17a0a28e8680c356576a3f5e498d6c630e62c
 libraries_bom_version: 26.49.0
 libraries:
   - api_shortname: pubsub