diff --git a/generation_config.yaml b/generation_config.yaml
index 820e1a69d..9bc7ec45c 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.49.0
-googleapis_commitish: d5a401dd23f50c5ff292f71bfa1d644837091a59
+googleapis_commitish: 6b5d85c66e0885b1665040f6f80b2401f60c1068
 libraries_bom_version: 26.50.0
 libraries:
   - api_shortname: pubsub