diff --git a/test/environment/grpc/requirements.txt b/test/environment/grpc/requirements.txt
index d61006ed..4b728a7d 100644
--- a/test/environment/grpc/requirements.txt
+++ b/test/environment/grpc/requirements.txt
@@ -1,4 +1,4 @@
-grpcio-tools==1.51.1
+grpcio-tools==1.51.3
 grpcio==1.51.3
 grpcio-reflection==1.51.1
 grpcio-health-checking==1.51.1