diff --git a/examples/grpc/plugin-python/requirements.txt b/examples/grpc/plugin-python/requirements.txt
index 1599509f..0983b503 100644
--- a/examples/grpc/plugin-python/requirements.txt
+++ b/examples/grpc/plugin-python/requirements.txt
@@ -1,3 +1,3 @@
 grpcio==1.59.0
 grpcio-health-checking==1.59.0
-protobuf==4.25.8
+protobuf==5.29.6