diff --git a/generation_config.yaml b/generation_config.yaml
index d14f3062c84..53e16e1af10 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.47.0
-googleapis_commitish: e848c761f31ace539f117a192ddbae2f533d7a23
+googleapis_commitish: 10b8dc3b54c9a609dcfda8060b8c4c734a942e8c
 libraries_bom_version: 26.48.0
 libraries:
   - api_shortname: spanner