diff --git a/sdks/python/container/py311/base_image_requirements.txt b/sdks/python/container/py311/base_image_requirements.txt
index 7be8ec580698..215768dc811e 100644
--- a/sdks/python/container/py311/base_image_requirements.txt
+++ b/sdks/python/container/py311/base_image_requirements.txt
@@ -140,7 +140,7 @@ pip==25.3
 pluggy==1.6.0
 propcache==0.4.1
 proto-plus==1.27.0
-protobuf==5.29.5
+protobuf==5.29.6
 psycopg2-binary==2.9.11
 pyarrow==18.1.0
 pyarrow-hotfix==0.7