diff --git a/generation_config.yaml b/generation_config.yaml
index 25dfd6971..a74a569ae 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.50.0
-googleapis_commitish: 55c0c09866cb1d1ec9c33d64f0d0fcfabe7f0e60
+googleapis_commitish: 4fefaf151c721c138588efeba0e99591d51cbc16
 libraries_bom_version: 26.50.0
 libraries:
   - api_shortname: pubsublite