diff --git a/package.json b/package.json
index e3b0f5265bcfe6b94893fabefb7e5623309b5744..e5449afe88dc0e2936b2eee22d25720e724c4002 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "dependencies": {
     "bcrypt": "^3.0.4",
     "body-parser": "^1.18.3",
+    "connect-mongodb-session": "^2.1.1",
     "eslint": "^5.13.0",
     "express": "^4.16.4",
     "express-session": "^1.15.6",