diff --git a/package.json b/package.json
index fb34c608..827c1268 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "prettier"
   ],
   "dependencies": {
-    "diff": "3.2.0",
+    "diff": "3.3.0",
     "lodash": "4.17.4",
     "magic-string": "0.21.3",
     "prettier": "^1.0.0"