diff --git a/sdks/python/container/ml/py312/base_image_requirements.txt b/sdks/python/container/ml/py312/base_image_requirements.txt
index da889c0526d0..a430ecc14ed8 100644
--- a/sdks/python/container/ml/py312/base_image_requirements.txt
+++ b/sdks/python/container/ml/py312/base_image_requirements.txt
@@ -160,7 +160,7 @@ 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
diff --git a/sdks/python/container/ml/py312/gpu_image_requirements.txt b/sdks/python/container/ml/py312/gpu_image_requirements.txt
index 21e0db7540c7..2f352dae93b7 100644
--- a/sdks/python/container/ml/py312/gpu_image_requirements.txt
+++ b/sdks/python/container/ml/py312/gpu_image_requirements.txt
@@ -211,7 +211,7 @@ prometheus-fastapi-instrumentator==7.1.0
 prometheus_client==0.24.1
 propcache==0.4.1
 proto-plus==1.27.0
-protobuf==5.29.5
+protobuf==5.29.6
 psutil==7.2.1
 psycopg2-binary==2.9.11
 py-cpuinfo==9.0.0