diff --git a/lib/core/package.json b/lib/core/package.json
index 7a9574b105f..a6eb0564a9e 100644
--- a/lib/core/package.json
+++ b/lib/core/package.json
@@ -50,7 +50,7 @@
     "webpack-hot-middleware": "^2.22.2"
   },
   "devDependencies": {
-    "mock-fs": "^4.3.0"
+    "mock-fs": "^4.5.0"
   },
   "peerDependencies": {
     "react": ">=15.0.0",