diff --git a/package.json b/package.json
index c405b16..cc1816d 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@babel/plugin-proposal-decorators": "7.28.0",
     "@ember/optional-features": "2.2.0",
     "@ember/string": "^4.0.1",
-    "@ember/test-helpers": "3.3.1",
+    "@ember/test-helpers": "5.3.0",
     "@embroider/test-setup": "4.0.0",
     "@glimmer/component": "1.1.2",
     "@glimmer/tracking": "1.1.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ea48d52..edb098e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -31,8 +31,8 @@ importers:
         specifier: ^4.0.1
         version: 4.0.1
       '@ember/test-helpers':
-        specifier: 3.3.1
-        version: 3.3.1(@babel/core@7.28.4)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(webpack@5.101.3)
+        specifier: 5.3.0
+        version: 5.3.0(@babel/core@7.28.4)
       '@embroider/test-setup':
         specifier: 4.0.0
         version: 4.0.0
@@ -92,7 +92,7 @@ importers:
         version: 9.0.3
       ember-qunit:
         specifier: 8.1.0
-        version: 8.1.0(@ember/test-helpers@3.3.1(@babel/core@7.28.4)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(webpack@5.101.3))(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(qunit@2.24.1)
+        version: 8.1.0(@ember/test-helpers@5.3.0(@babel/core@7.28.4))(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(qunit@2.24.1)
       ember-resolver:
         specifier: 13.1.1
         version: 13.1.1
@@ -785,11 +785,8 @@ packages:
   '@ember/string@4.0.1':
     resolution: {integrity: sha512-VWeng8BSWrIsdPfffOQt/bKwNKJL7+37gPFh/6iZZ9bke+S83kKqkS30poo4bTGfRcMnvAE0ie7txom+iDu81Q==}
 
-  '@ember/test-helpers@3.3.1':
-    resolution: {integrity: sha512-h4uFBy4pquBtHsHI+tx9S0wtMmn1L+8dkXiDiyoqG1+3e0Awk6GBujiFM9s4ANq6wC8uIhC3wEFyts10h2OAoQ==}
-    engines: {node: 16.* || >= 18}
-    peerDependencies:
-      ember-source: ^4.0.0 || ^5.0.0
+  '@ember/test-helpers@5.3.0':
+    resolution: {integrity: sha512-CG3Iiap0vbrjtOzRg4cN0fd7fMUVhFK5gURkc8yQGJtKT3LwXLLtCLkMG/A55sMTIYHlYRETuJXqv9slO90RKw==}
 
   '@ember/test-waiters@3.1.0':
     resolution: {integrity: sha512-bb9h95ktG2wKY9+ja1sdsFBdOms2lB19VWs8wmNpzgHv1NCetonBoV5jHBV4DHt0uS1tg9z66cZqhUVlYs96KQ==}
@@ -7483,23 +7480,18 @@ snapshots:
 
   '@ember/string@4.0.1': {}
 
-  '@ember/test-helpers@3.3.1(@babel/core@7.28.4)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(webpack@5.101.3)':
+  '@ember/test-helpers@5.3.0(@babel/core@7.28.4)':
     dependencies:
       '@ember/test-waiters': 3.1.0
+      '@embroider/addon-shim': 1.10.0
       '@embroider/macros': 1.18.1
       '@simple-dom/interface': 1.4.0
-      broccoli-debug: 0.6.5
-      broccoli-funnel: 3.0.8
+      decorator-transforms: 2.3.0(@babel/core@7.28.4)
       dom-element-descriptors: 0.5.1
-      ember-auto-import: 2.10.1(webpack@5.101.3)
-      ember-cli-babel: 8.2.0(@babel/core@7.28.4)
-      ember-cli-htmlbars: 6.3.0
-      ember-source: 5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3)
     transitivePeerDependencies:
       - '@babel/core'
       - '@glint/template'
       - supports-color
-      - webpack
 
   '@ember/test-waiters@3.1.0':
     dependencies:
@@ -10280,9 +10272,9 @@ snapshots:
       - supports-color
       - webpack
 
-  ember-qunit@8.1.0(@ember/test-helpers@3.3.1(@babel/core@7.28.4)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(webpack@5.101.3))(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(qunit@2.24.1):
+  ember-qunit@8.1.0(@ember/test-helpers@5.3.0(@babel/core@7.28.4))(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(qunit@2.24.1):
     dependencies:
-      '@ember/test-helpers': 3.3.1(@babel/core@7.28.4)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.28.4))(rsvp@4.8.5)(webpack@5.101.3))(webpack@5.101.3)
+      '@ember/test-helpers': 5.3.0(@babel/core@7.28.4)
       '@embroider/addon-shim': 1.10.0
       '@embroider/macros': 1.18.1
       ember-cli-test-loader: 3.1.0