diff --git a/packages/ember-cli-fastboot/package.json b/packages/ember-cli-fastboot/package.json
index 2d9ebc0c..fa9ec82b 100644
--- a/packages/ember-cli-fastboot/package.json
+++ b/packages/ember-cli-fastboot/package.json
@@ -96,7 +96,7 @@
     "webpack": "^5.91.0"
   },
   "peerDependencies": {
-    "ember-source": "^4.0.0"
+    "ember-source": ">=3.16"
   },
   "engines": {
     "node": "14.* || 16.* || >= 18"