diff --git a/package.json b/package.json
index b9eee15..78eb285 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
 		"chai": "4.1.2",
 		"chai-as-promised": "7.1.1",
 		"express": "latest",
-		"gulp": "3.9.1",
+		"gulp": "4.0.0",
 		"gulp-eslint": "4.0.2",
 		"gulp-mocha": "5.0.0",
 		"mocha": "5.1.0",