diff --git a/packages/grpc-native-core/package.json b/packages/grpc-native-core/package.json
index dfd060c8..801b5fae 100644
--- a/packages/grpc-native-core/package.json
+++ b/packages/grpc-native-core/package.json
@@ -32,7 +32,7 @@
     "lodash": "^4.17.5",
     "nan": "^2.0.0",
     "node-pre-gyp": "^0.10.0",
-    "protobufjs": "^5.0.0"
+    "protobufjs": "^5.0.3"
   },
   "devDependencies": {
     "async": "^2.0.1",
diff --git a/packages/grpc-native-core/templates/package.json.template b/packages/grpc-native-core/templates/package.json.template
index 4d112538..f0ed684c 100644
--- a/packages/grpc-native-core/templates/package.json.template
+++ b/packages/grpc-native-core/templates/package.json.template
@@ -34,7 +34,7 @@
       "lodash": "^4.17.5",
       "nan": "^2.0.0",
       "node-pre-gyp": "^0.10.0",
-      "protobufjs": "^5.0.0"
+      "protobufjs": "^5.0.3"
     },
     "devDependencies": {
       "async": "^2.0.1",