diff --git a/package.json b/package.json
index bb84e52..29b2c7f 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/SARAN-thala/DataVisualization#readme",
   "dependencies": {
     "lodash": "^4.16.4",
-    "mocha": "^3.1.1",
+    "mocha": "^4.0.0",
     "papaparse": "^4.1.2"
   }
 }