diff --git a/package.json b/package.json
index 31cfc23..b442fb5 100644
--- a/package.json
+++ b/package.json
@@ -72,6 +72,7 @@
     "ember-load-initializers": "^2.1.2",
     "ember-maybe-import-regenerator": "0.1.6",
     "ember-page-title": "^7.0.0",
+    "ember-qunit-5": "npm:ember-source@^5.1.5",
     "ember-qunit": "^6.2.0",
     "ember-resolver": "^8.0.3",
     "ember-source-3.16": "npm:ember-source@~3.16.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a17f474..714ffff 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -108,6 +108,9 @@ importers:
       ember-qunit:
         specifier: ^6.2.0
         version: 6.2.0(@ember/test-helpers@2.9.4(@babel/core@7.24.7)(ember-source@3.28.12(@babel/core@7.24.7)))(ember-source@3.28.12(@babel/core@7.24.7))(qunit@2.21.0)(webpack@5.92.1)
+      ember-qunit-5:
+        specifier: npm:ember-source@^5.1.5
+        version: ember-source@5.9.0(@babel/core@7.24.7)(@glimmer/component@1.1.2(@babel/core@7.24.7))(rsvp@4.8.5)(webpack@5.92.1)
       ember-resolver:
         specifier: ^8.0.3
         version: 8.1.0(@babel/core@7.24.7)
diff --git a/test-app/scenarios.js b/test-app/scenarios.js
index a0e15b8..d6156ec 100644
--- a/test-app/scenarios.js
+++ b/test-app/scenarios.js
@@ -36,6 +36,10 @@ async function lts_3_16(project) {
     baseDir: __dirname,
     resolveName: 'ember-source-3.16',
   });
+  project.linkDevDependency('ember-qunit', {
+    baseDir: __dirname,
+    resolveName: 'ember-qunit-5',
+  });
 }
 
 async function lts_3_20(project) {
@@ -47,6 +51,10 @@ async function lts_3_20(project) {
     baseDir: __dirname,
     resolveName: 'ember-source-3.20',
   });
+  project.linkDevDependency('ember-qunit', {
+    baseDir: __dirname,
+    resolveName: 'ember-qunit-5',
+  });
 }
 
 async function lts_3_24(project) {
@@ -58,6 +66,10 @@ async function lts_3_24(project) {
     baseDir: __dirname,
     resolveName: 'ember-source-3.24',
   });
+  project.linkDevDependency('ember-qunit', {
+    baseDir: __dirname,
+    resolveName: 'ember-qunit-5',
+  });
 }
 
 async function lts_3_28(project) {