diff --git a/node-jptokenizer/package.json b/node-jptokenizer/package.json
index e2ad35a..11723aa 100644
--- a/node-jptokenizer/package.json
+++ b/node-jptokenizer/package.json
@@ -10,7 +10,7 @@
   "license": "MIT",
   "dependencies": {
     "async": "^1.5.0",
-    "mongodb": "^2.0.49",
+    "mongodb": "^3.6.1",
     "sift": "^3.0.0",
     "underscore": "^1.8.3"
   },