diff --git a/package.json b/package.json
index 33721f09..afce700f 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@babel/plugin-proposal-decorators": "^7.24.7",
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^3.1.1",
-    "@ember/test-helpers": "^3.3.1",
+    "@ember/test-helpers": "^4.0.4",
     "@embroider/test-setup": "^3.0.3",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
diff --git a/yarn.lock b/yarn.lock
index a4a91c4d..3ad742ea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1427,20 +1427,17 @@
   dependencies:
     ember-cli-babel "^7.26.6"
 
-"@ember/test-helpers@^3.3.1":
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-3.3.1.tgz#b19287dbb7ba169a2033574bb5021c0490b199b9"
-  integrity sha512-h4uFBy4pquBtHsHI+tx9S0wtMmn1L+8dkXiDiyoqG1+3e0Awk6GBujiFM9s4ANq6wC8uIhC3wEFyts10h2OAoQ==
+"@ember/test-helpers@^4.0.4":
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-4.0.4.tgz#2ffb55c8438b8ba54ecd4f546059ba0166bc00f2"
+  integrity sha512-1mbOVyVEcLxYOGzBaeeaQkCrL1o9Av86QaHk/1RvrVBW24I6YUj1ILLEi2qLZT5PzcCy0TdfadHT3hKJwJ0GcQ==
   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"
+    decorator-transforms "^2.0.0"
     dom-element-descriptors "^0.5.0"
-    ember-auto-import "^2.6.0"
-    ember-cli-babel "^8.2.0"
-    ember-cli-htmlbars "^6.2.0"
 
 "@ember/test-waiters@^3.0.0", "@ember/test-waiters@^3.0.2", "@ember/test-waiters@^3.1.0":
   version "3.1.0"
@@ -5930,7 +5927,7 @@ ember-arg-types@^1.0.0:
     ember-get-config "^2.1.1"
     prop-types "^15.8.1"
 
-ember-auto-import@^2.4.2, ember-auto-import@^2.6.0, ember-auto-import@^2.6.1, ember-auto-import@^2.6.3, ember-auto-import@^2.7.0, ember-auto-import@^2.8.1:
+ember-auto-import@^2.4.2, ember-auto-import@^2.6.1, ember-auto-import@^2.6.3, ember-auto-import@^2.7.0, ember-auto-import@^2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/ember-auto-import/-/ember-auto-import-2.8.1.tgz#03977e87ce178e6f9e4f89809185ff8f0fee9fcb"
   integrity sha512-R5RpJmhycU6YKryzsIL/wP42r0e2PPfLRsFECoGvb1st2eEnU1Q7XyLVC1txd/XvURfu7x3Z7hKtZtYUxy61oQ==