diff --git a/go.mod b/go.mod
index c683e6d..3cfa190 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,4 @@ module github.com/unistack-org/micro-proto
 
 go 1.16
 
-require (
-	github.com/golang/protobuf v1.5.1
-	google.golang.org/protobuf v1.26.0
-)
+require google.golang.org/protobuf v1.26.0
diff --git a/go.sum b/go.sum
index 985966e..b64f8f3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,4 @@
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.1 h1:jAbXjIeW2ZSW2AwFxlGTDoc2CjI2XujLkV3ArsZFCvc=
-github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=