diff --git a/package.json b/package.json
index b9305a15..af342237 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "eslint": "^4.1.0",
     "hash.js": "^1.0.3",
     "jsdoc": "^3.4.3",
-    "level-js": "2.2.4",
+    "level-js": "^2.2.4",
     "mocha": "^3.4.1",
     "webpack": "^3.0.0"
   },