diff --git a/package.json b/package.json
index 0f47361..59088a4 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "sinon": "^13.0.0"
   },
   "peerDependencies": {
-    "ember-cli": "~3.2.0"
+    "ember-cli": "~3.2.0 || ^4.0.0"
   },
   "engines": {
     "node": ">= 6"