diff --git a/src/exercise/http-server/middleware-useage/go.mod b/src/exercise/http-server/middleware-useage/go.mod
index 4220465..d31ad6f 100644
--- a/src/exercise/http-server/middleware-useage/go.mod
+++ b/src/exercise/http-server/middleware-useage/go.mod
@@ -24,7 +24,7 @@ require (
 	golang.org/x/net v0.10.0 // indirect
 	golang.org/x/sys v0.15.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )