diff --git a/packages/isomorphic-core/package.json b/packages/isomorphic-core/package.json
index ac011d3284..930e698e3c 100644
--- a/packages/isomorphic-core/package.json
+++ b/packages/isomorphic-core/package.json
@@ -18,7 +18,7 @@
     "promise-props": "1.0.0",
     "promise.prototype.finally": "1.0.1",
     "rx-lite": "4.0.8",
-    "sequelize": "3.28.0",
+    "sequelize": "6.1.0",
     "underscore": "1.8.3",
     "xoauth2": "1.2.0",
     "he": "1.1.0",