diff --git a/addon/package.json b/addon/package.json
index f766667a..b7832889 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -56,7 +56,7 @@
   "devDependencies": {
     "@babel/core": "^7.26.10",
     "@babel/eslint-parser": "^7.27.0",
-    "@ember/test-helpers": "^5.4.1",
+    "@ember/test-helpers": "^5.5.2",
     "@embroider/addon-dev": "^3.2.0",
     "@embroider/macros": "^1.20.2",
     "@glimmer/component": "^2.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7bde75c8..65aac639 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -32,8 +32,8 @@ importers:
         specifier: ^7.27.0
         version: 7.28.6(@babel/core@7.29.0)(eslint@8.57.1)
       '@ember/test-helpers':
-        specifier: ^5.4.1
-        version: 5.4.1(@babel/core@7.29.0)
+        specifier: ^5.5.2
+        version: 5.5.2(@babel/core@7.29.0)
       '@embroider/addon-dev':
         specifier: ^3.2.0
         version: 3.2.0(rollup@4.60.1)
@@ -111,8 +111,8 @@ importers:
         specifier: ^3.0.1
         version: 3.1.1
       '@ember/test-helpers':
-        specifier: ^5.4.1
-        version: 5.4.1(@babel/core@7.29.0)
+        specifier: ^5.5.2
+        version: 5.5.2(@babel/core@7.29.0)
       '@ember/test-waiters':
         specifier: ^4.0.0
         version: 4.1.1(@babel/core@7.29.0)
@@ -241,8 +241,8 @@ importers:
         specifier: ^3.0.1
         version: 3.1.1
       '@ember/test-helpers':
-        specifier: ^5.4.1
-        version: 5.4.1(@babel/core@7.29.0)
+        specifier: ^5.5.2
+        version: 5.5.2(@babel/core@7.29.0)
       '@ember/test-waiters':
         specifier: ^4.0.0
         version: 4.1.1(@babel/core@7.29.0)
@@ -1036,8 +1036,8 @@ packages:
     peerDependencies:
       ember-source: ^4.0.0 || ^5.0.0
 
-  '@ember/test-helpers@5.4.1':
-    resolution: {integrity: sha512-BUdT91ra+QibEWAUwtZmvTGFoDHJCxDU+fkQENA8Zs0FR3pZiICxxP/fgdlNExCjjdm1letut7ENoueBuDdixQ==}
+  '@ember/test-helpers@5.5.2':
+    resolution: {integrity: sha512-XaSfroyfmOZf1d1J8QgqWnulxY3etBd7QEbOMCxfhdhphfadOoijoDVlzNUxkk91S6+C/G8NkjN7IMILTrMnZg==}
 
   '@ember/test-waiters@3.1.0':
     resolution: {integrity: sha512-bb9h95ktG2wKY9+ja1sdsFBdOms2lB19VWs8wmNpzgHv1NCetonBoV5jHBV4DHt0uS1tg9z66cZqhUVlYs96KQ==}
@@ -7143,11 +7143,10 @@ snapshots:
       - supports-color
       - webpack
 
-  '@ember/test-helpers@5.4.1(@babel/core@7.29.0)':
+  '@ember/test-helpers@5.5.2(@babel/core@7.29.0)':
     dependencies:
       '@ember/test-waiters': 4.1.1(@babel/core@7.29.0)
       '@embroider/addon-shim': 1.10.2
-      '@embroider/macros': 1.20.2(@babel/core@7.29.0)
       '@simple-dom/interface': 1.4.0
       decorator-transforms: 2.3.1(@babel/core@7.29.0)
       dom-element-descriptors: 0.5.1
diff --git a/test-app/package.json b/test-app/package.json
index dd4240cf..9dadf822 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -30,7 +30,7 @@
     "@babel/plugin-proposal-decorators": "^7.22.15",
     "@ember/optional-features": "^2.2.0",
     "@ember/string": "^3.0.1",
-    "@ember/test-helpers": "^5.4.1",
+    "@ember/test-helpers": "^5.5.2",
     "@ember/test-waiters": "^4.0.0",
     "@embroider/macros": "^1.20.2",
     "@embroider/test-setup": "^3.0.3",
diff --git a/test-buildtime-options-app/package.json b/test-buildtime-options-app/package.json
index c42f0e91..4501fb48 100644
--- a/test-buildtime-options-app/package.json
+++ b/test-buildtime-options-app/package.json
@@ -29,7 +29,7 @@
     "@babel/eslint-parser": "^7.27.0",
     "@ember/optional-features": "^2.2.0",
     "@ember/string": "^3.0.1",
-    "@ember/test-helpers": "^5.4.1",
+    "@ember/test-helpers": "^5.5.2",
     "@ember/test-waiters": "^4.0.0",
     "@embroider/macros": "^1.20.2",
     "@embroider/test-setup": "^3.0.3",