diff --git a/package.json b/package.json
index 686ca24..80f64ff 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^3.4.1",
     "ember-resolver": "^5.0.1",
-    "ember-source": "~3.6.0",
+    "ember-source": "~3.7.3",
     "ember-source-channel-url": "^1.1.0",
     "ember-try": "^1.0.0",
     "eslint-plugin-ember": "^5.2.0",