diff --git a/package.json b/package.json
index 1921669..9991a0e 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
     "test": "node test/index.js"
   },
   "name": "lien",
-  "version": "3.4.4",
+  "version": "4.0.0",
   "description": "An easy to use web framework for Node.js.",
   "main": "lib/index.js",
   "keywords": [
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "ajs": "^1.2.1",
-    "connect-mongo": "^4.6.0",
+    "connect-mongo": "^5.1.0",
     "tester": "^1.3.4",
     "tinyreq": "^3.1.2"
   },