diff --git a/package.json b/package.json
index 5438152..7d8b508 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "pg": "^6.2.3",
     "pg-hstore": "^2.3.2",
     "prompt": "^1.0.0",
-    "sequelize": "^3.30.4",
+    "sequelize": "^4.0.0",
     "sha.js": "^2.4.8",
     "sqlite3": "^3.1.8",
     "tedious": "^2.0.0",