diff --git a/package.json b/package.json
index df0a790f..f252e433 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "eslint": "5.9.0",
     "eslint-config-google": "0.11.0",
     "fancy-log": "1.3.3",
-    "gulp": "3.9.1",
+    "gulp": "4.0.0",
     "gulp-babel": "8.0.0",
     "gulp-bump": "3.1.1",
     "gulp-eslint": "5.0.0",