diff --git a/tools/test-client/go.mod b/tools/test-client/go.mod
index 42c8cc62..6a97b19b 100644
--- a/tools/test-client/go.mod
+++ b/tools/test-client/go.mod
@@ -13,5 +13,5 @@ require (
 	golang.org/x/sys v0.13.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231030173426-d783a09b4405 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 )
diff --git a/tools/test-client/go.sum b/tools/test-client/go.sum
index 8b0d824f..25d473f0 100644
--- a/tools/test-client/go.sum
+++ b/tools/test-client/go.sum
@@ -19,5 +19,5 @@ google.golang.org/grpc/examples v0.0.0-20231031004122-b82468a3462e h1:Hp5kwnJT3B
 google.golang.org/grpc/examples v0.0.0-20231031004122-b82468a3462e/go.mod h1:Crtq1t+mykyL5d6PR3z8zCxKx/Qjq/mlPWDPoWJANYA=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=