diff --git a/package-lock.json b/package-lock.json
index 6dd45d21b..341c127cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "@babel/plugin-proposal-decorators": "^7.24.7",
         "@ember/optional-features": "^2.1.0",
         "@ember/string": "^4.0.0",
-        "@ember/test-helpers": "^3.3.1",
+        "@ember/test-helpers": "^4.0.4",
         "@embroider/macros": "^1.11.0",
         "@embroider/test-setup": "^4.0.0",
         "@fortawesome/ember-fontawesome": "^2.0.0",
@@ -2609,25 +2609,21 @@
       "license": "MIT"
     },
     "node_modules/@ember/test-helpers": {
-      "version": "3.3.1",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/@ember/test-helpers/-/test-helpers-4.0.4.tgz",
+      "integrity": "sha512-1mbOVyVEcLxYOGzBaeeaQkCrL1o9Av86QaHk/1RvrVBW24I6YUj1ILLEi2qLZT5PzcCy0TdfadHT3hKJwJ0GcQ==",
       "devOptional": true,
       "license": "(MIT OR Apache-2.0)",
       "dependencies": {
-        "@ember/test-waiters": "^3.0.2",
-        "@embroider/macros": "^1.10.0",
+        "@ember/test-waiters": "^3.1.0",
+        "@embroider/addon-shim": "^1.8.7",
+        "@embroider/macros": "^1.16.5",
         "@simple-dom/interface": "^1.4.0",
-        "broccoli-debug": "^0.6.5",
-        "broccoli-funnel": "^3.0.8",
-        "dom-element-descriptors": "^0.5.0",
-        "ember-auto-import": "^2.6.0",
-        "ember-cli-babel": "^8.2.0",
-        "ember-cli-htmlbars": "^6.2.0"
-      },
-      "engines": {
-        "node": "16.* || >= 18"
+        "decorator-transforms": "^2.0.0",
+        "dom-element-descriptors": "^0.5.0"
       },
       "peerDependencies": {
-        "ember-source": "^4.0.0 || ^5.0.0"
+        "ember-source": ">= 4.0.0"
       }
     },
     "node_modules/@ember/test-waiters": {
diff --git a/package.json b/package.json
index f3db8b58e..3838d29ae 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "@babel/plugin-proposal-decorators": "^7.24.7",
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^4.0.0",
-    "@ember/test-helpers": "^3.3.1",
+    "@ember/test-helpers": "^4.0.4",
     "@embroider/macros": "^1.11.0",
     "@embroider/test-setup": "^4.0.0",
     "@fortawesome/ember-fontawesome": "^2.0.0",