diff --git a/gmtls/gmcredentials/go.mod b/gmtls/gmcredentials/go.mod
index 4def55e..8257bc6 100644
--- a/gmtls/gmcredentials/go.mod
+++ b/gmtls/gmcredentials/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/tjfoc/gmsm v0.0.0-00010101000000-000000000000
 	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd
-	google.golang.org/grpc v1.44.0
+	google.golang.org/grpc v1.62.0
 )
 
 replace github.com/tjfoc/gmsm => ../../