diff --git a/package.json b/package.json
index 4d37a54..0bfa10e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "diff": "^2.0.2",
+    "diff": "^4.0.1",
     "gulp-util": "^3.0.6",
     "through2": "^2.0.0",
     "cli-color": "^1.0.0",