diff --git a/package.json b/package.json
index d2f9fa39d..00c1d598f 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "normalize-registry-metadata": "^1.1.2",
     "rimraf": "^2.6.2",
     "semver": "^5.4.1",
-    "sequelize": "^3.23.4",
+    "sequelize": "^4.0.0",
     "thunkify-wrap": "^1.0.4",
     "treekill": "^1.0.0",
     "tunnel-agent": "^0.6.0",