diff --git a/package.json b/package.json
index 8bdec93..e8595fd 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "postcss-polymer-loader"
   ],
   "dependencies": {
-    "fs-extra": "4.0.3",
+    "fs-extra": "6.0.0",
     "loader-utils": "1.1.0",
     "parse5": "4.0.0",
     "postcss": "6.0.17",