diff --git a/package.json b/package.json
index 752400c..8237d03 100644
--- a/package.json
+++ b/package.json
@@ -18,13 +18,13 @@
   },
   "devDependencies": {
     "eslint": "^3.19.0",
+    "file-disk": "^5.0.0",
     "mocha": "^2.2.5"
   },
   "dependencies": {
     "async": "^2.1.5",
     "bindings": "^1.2.1",
-    "bluebird": "3.5.0",
-    "file-disk": "4.1.3",
+    "bluebird": "^3.5.3",
     "nan": "^2.5.1"
   }
 }