diff --git a/generation_config.yaml b/generation_config.yaml
index 7c3cd58508..890b356976 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,4 +1,4 @@
-googleapis_commitish: 7a5706618f42f482acf583febcc7b977b66c25b2
+googleapis_commitish: 5b2aa2c08c23f26d6e8abe65377077c624878d12
 # 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.