diff --git a/package.json b/package.json
index 25bf6bd..55d4d9f 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "readable-stream": "^2.3.5",
     "request": "^2.87.0",
     "rimraf": "^2.6.2",
-    "sequelize": "^4.42.0",
+    "sequelize": ">=5.3.0",
     "tail": "^2.0.2",
     "tar-fs": "^1.16.2"
   }
diff --git a/src/models/db.js b/src/models/db.js
index d347d1a..7c186e3 100644
--- a/src/models/db.js
+++ b/src/models/db.js
@@ -6,6 +6,5 @@ module.exports = new Sequelize('snakepit', 'postgres', '', {
   host: 'localhost',
   dialect: 'postgres',
   pool: { max: 10, min: 0, acquire: 30000, idle: 10000 },
-  operatorsAliases: false,
   logging: false
 })