diff --git a/package.json b/package.json
index f872817..cad8ee2 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^4.4.1",
     "ember-resolver": "^5.1.3",
-    "ember-source": "~3.9.1",
+    "ember-source": "~3.14.3",
     "ember-source-channel-url": "^1.1.0",
     "ember-try": "^1.1.0",
     "eslint-plugin-ember": "^6.3.0",