diff --git a/agentic_ai/applications/requirements.txt b/agentic_ai/applications/requirements.txt
index 01d01b18..6a7a74df 100644
--- a/agentic_ai/applications/requirements.txt
+++ b/agentic_ai/applications/requirements.txt
@@ -490,7 +490,7 @@ propcache==0.4.1
     #   yarl
 proto-plus==1.26.1
     # via google-api-core
-protobuf==5.29.5
+protobuf==5.29.6
     # via
     #   a2a-sdk
     #   durabletask