diff --git a/generation_config.yaml b/generation_config.yaml
index b3fc43f62c..7e7821e071 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,4 +1,4 @@
-googleapis_commitish: efe27dbe161b24710f4e95415e8f38922ae6f453
+googleapis_commitish: c249577397a9ae79e07db34925efd0984c2ef26a
 # the libraries are ordered with respect to library name, which is
 # java-{library.library_name} or java-{library.api-shortname} when
 # library.library_name is not defined.