diff --git a/package.json b/package.json
index a5a5ea7..1f49625 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
     "broccoli-debug": "^0.6.1",
     "broccoli-funnel": "^2.0.1",
-    "broccoli-merge-trees": "^2.0.0",
+    "broccoli-merge-trees": "^3.0.0",
     "broccoli-string-replace": "^0.1.1",
     "ember-cli-babel": "^7.0.0",
     "lodash-es": "^4.17.4"