diff --git a/package.json b/package.json
index 0410a3f..f179f3e 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "ember-power-select": "2.3.5",
     "ember-resolver": "8.0.0",
     "ember-routable-modal": "0.6.0",
-    "ember-source": "3.1.4",
+    "ember-source": "3.18.0",
     "ember-welcome-page": "4.0.0",
     "eslint-plugin-ember": "5.4.0",
     "loader.js": "4.7.0"