diff --git a/package.json b/package.json
index 5f29ede..1e265dc 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "name": "singularitygs"
   },
   "devDependencies": {
-    "diff": "^1.2.1",
+    "diff": "^4.0.1",
     "fs-extra": "^0.14.0",
     "glob": "^4.3.2",
     "node-sass": "^3.0.0",