diff --git a/test/environment/grpc/requirements.txt b/test/environment/grpc/requirements.txt
index c4b59b67..dbcc7507 100644
--- a/test/environment/grpc/requirements.txt
+++ b/test/environment/grpc/requirements.txt
@@ -2,4 +2,4 @@ grpcio==1.55.0
 grpcio-health-checking==1.55.0
 grpcio-reflection==1.55.0
 grpcio-testing==1.55.0
-grpcio-tools==1.55.0
+grpcio-tools==1.56.0