diff --git a/test/environment/grpc/requirements.txt b/test/environment/grpc/requirements.txt
index 0131e1c5..b27bec7f 100644
--- a/test/environment/grpc/requirements.txt
+++ b/test/environment/grpc/requirements.txt
@@ -2,4 +2,4 @@ grpcio-tools==1.47.0
 grpcio==1.47.0
 grpcio-reflection==1.47.0
 grpcio-health-checking==1.47.0
-grpcio-testing==1.47.0
+grpcio-testing==1.48.0