diff --git a/pitaya-servers/protobuf-server/go.mod b/pitaya-servers/protobuf-server/go.mod
index 7db4d212..a8ad5135 100644
--- a/pitaya-servers/protobuf-server/go.mod
+++ b/pitaya-servers/protobuf-server/go.mod
@@ -3,6 +3,7 @@ module github.com/topfreegames/libpitaya/pitaya-servers/protobuf-server
 go 1.17
 
 require (
+	github.com/golang/protobuf v1.5.2
 	github.com/topfreegames/pitaya v1.1.10
 	google.golang.org/protobuf v1.28.1
 )
@@ -22,7 +23,6 @@ require (
 	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/mock v1.6.0 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/google/uuid v1.1.4 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
@@ -58,7 +58,7 @@ require (
 	go.uber.org/zap v1.17.0 // indirect
 	golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd // indirect
 	golang.org/x/net v0.0.0-20220105145211-5b0dc2dfae98 // indirect
-	golang.org/x/sys v0.0.0-20220111092808-5a964db01320 // indirect
+	golang.org/x/sys v0.1.0 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1 // indirect
 	google.golang.org/grpc v1.41.0 // indirect
diff --git a/pitaya-servers/protobuf-server/go.sum b/pitaya-servers/protobuf-server/go.sum
index 586932a2..29537381 100644
--- a/pitaya-servers/protobuf-server/go.sum
+++ b/pitaya-servers/protobuf-server/go.sum
@@ -743,8 +743,9 @@ golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210603125802-9665404d3644/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211123173158-ef496fb156ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220111092808-5a964db01320 h1:0jf+tOCoZ3LyutmCOWpVni1chK4VfFLhRsDK7MhqGRY=
 golang.org/x/sys v0.0.0-20220111092808-5a964db01320/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=