diff --git a/package.json b/package.json
index 744f32e..71abcfb 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "colors": "^1.1.2",
     "css": "^2.2.1",
     "debug": "^2.2.0",
-    "diff": "^2.2.1",
+    "diff": "^4.0.1",
     "es6-object-assign": "^1.0.3",
     "fs": "0.0.2",
     "node-diff": "^0.2.0",