diff --git a/package.json b/package.json
index db951be..9e38f95 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "ember-inflector": "^2.1.0",
     "ember-load-initializers": "^1.0.0",
     "ember-resolver": "^4.0.0",
-    "ember-source": "~2.17.0",
+    "ember-source": "~3.14.3",
     "ember-welcome-page": "^3.0.0",
     "loader.js": "^4.2.3"
   },