diff --git a/examples/grpc/mnist_client/requirements.txt b/examples/grpc/mnist_client/requirements.txt
index 1d1fd71..f5a8012 100644
--- a/examples/grpc/mnist_client/requirements.txt
+++ b/examples/grpc/mnist_client/requirements.txt
@@ -1 +1 @@
-grpcio==1.54.0
+grpcio==1.54.3