diff --git a/package.json b/package.json
index 5698c2a..6c1ff7f 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "husky": "0.13.2",
     "istanbul": "0.4.5",
     "mocha": "3.3.0",
-    "mock-fs": "4.2.0",
+    "mock-fs": "4.3.0",
     "proxyquire": "1.7.11",
     "sinon": "2.1.0",
     "sinon-chai": "2.9.0"