diff --git a/package.json b/package.json
index f14134e..ffeb7f4 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "requestify": "^0.2.5",
     "require-reload": "^0.2.2",
     "s3-cached": "^2.1.6",
-    "sequelize": "^3.6.0",
+    "sequelize": "^5.21.1",
     "sequelize-heroku": "^2.0.0",
     "serve-favicon": "^2.3.0",
     "sharp": "^0.20.1",