diff --git a/package.json b/package.json
index 94cefa4..515c690 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,8 @@
     "ember-cli-babel": "^7.26.11",
     "ember-cli-string-utils": "^1.1.0",
     "ember-cli-version-checker": "^5.1.2",
-    "ember-copy": "^2.0.1"
+    "ember-copy": "^2.0.1",
+    "ember-destroyable-polyfill": "^2.0.3"
   },
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",