diff --git a/examples/grpc-bridge/client/requirements.txt b/examples/grpc-bridge/client/requirements.txt
index bda4a54f6297..7679bfb830aa 100644
--- a/examples/grpc-bridge/client/requirements.txt
+++ b/examples/grpc-bridge/client/requirements.txt
@@ -1,4 +1,4 @@
 requests>=2.22.0
 grpcio
 grpcio-tools
-protobuf==3.17.0
+protobuf==4.22.0