diff --git a/test/environment/grpc/requirements.txt b/test/environment/grpc/requirements.txt
index 9d48e485..8b56e1e0 100644
--- a/test/environment/grpc/requirements.txt
+++ b/test/environment/grpc/requirements.txt
@@ -2,4 +2,4 @@ grpcio-tools==1.54.2
 grpcio==1.55.0
 grpcio-reflection==1.55.0
 grpcio-health-checking==1.54.2
-grpcio-testing==1.54.2
+grpcio-testing==1.55.0