diff --git a/src/shoppingassistantservice/requirements.txt b/src/shoppingassistantservice/requirements.txt
index 1ea7d812462..1824161a483 100644
--- a/src/shoppingassistantservice/requirements.txt
+++ b/src/shoppingassistantservice/requirements.txt
@@ -175,7 +175,7 @@ proto-plus==1.25.0
     #   google-ai-generativelanguage
     #   google-api-core
     #   google-cloud-secret-manager
-protobuf==5.28.3
+protobuf==5.29.5
     # via
     #   google-ai-generativelanguage
     #   google-api-core