diff --git a/package.json b/package.json
index d972bed..8a866da 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@ember/optional-features": "2.0.0",
-    "@ember/test-helpers": "2.7.0",
+    "@ember/test-helpers": "2.8.1",
     "@embroider/test-setup": "1.6.0",
     "@glimmer/component": "1.1.2",
     "@glimmer/tracking": "1.1.2",
diff --git a/yarn.lock b/yarn.lock
index 6a22c88..e42adc0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1034,12 +1034,14 @@
     ember-cli-babel "^7.26.11"
     ember-modifier-manager-polyfill "^1.2.0"
 
-"@ember/test-helpers@2.7.0":
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.7.0.tgz#d8e08b614cdd5eac647689d655e78e1de725f474"
-  integrity sha512-eWFtw5+sbci1Fw+E+HoyaMxY126LvK7jul6i8tad48zlWoxrOalbhJhz1mKqIo4daHbqIZWuFgQhOib4QfTKCQ==
+"@ember/test-helpers@2.8.1":
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.8.1.tgz#20f2e30d48172c2ff713e1db7fbec5352f918d4e"
+  integrity sha512-jbsYwWyAdhL/pdPu7Gb3SG1gvIXY70FWMtC/Us0Kmvk82Y+5YUQ1SOC0io75qmOGYQmH7eQrd/bquEVd+4XtdQ==
   dependencies:
     "@ember/test-waiters" "^3.0.0"
+    "@embroider/macros" "^1.6.0"
+    "@embroider/util" "^1.6.0"
     broccoli-debug "^0.6.5"
     broccoli-funnel "^3.0.8"
     ember-cli-babel "^7.26.6"
@@ -1064,12 +1066,12 @@
     "@embroider/shared-internals" "^1.5.0"
     semver "^7.3.5"
 
-"@embroider/macros@1.5.0", "@embroider/macros@^0.50.0 || ^1.0.0", "@embroider/macros@^1.0.0":
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/@embroider/macros/-/macros-1.5.0.tgz#8c67666359e7814d91cdeac2fd96c896080473b3"
-  integrity sha512-QqNsWmIJ8LvwWg+YAfB+nfcRZ49hAJNTJAKt2IDpgZDKa/FYj/Mp75UWfJ1BJvB3KUq50OQCOv4TZ3ZcU9h/TQ==
+"@embroider/macros@1.6.0", "@embroider/macros@^0.50.0 || ^1.0.0", "@embroider/macros@^1.0.0", "@embroider/macros@^1.6.0":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@embroider/macros/-/macros-1.6.0.tgz#2b764f965c645fdcfbf05897c88195368b046ba1"
+  integrity sha512-yUEXJGJGP3rjtxorxrbkdxriBFEwnmzOrNk4zK64IXKBfyRjiDZFUHV9DSTrbaYLS29Mw5yK73ZIwi8L13C4Zw==
   dependencies:
-    "@embroider/shared-internals" "1.5.0"
+    "@embroider/shared-internals" "1.6.0"
     assert-never "^1.2.1"
     babel-import-util "^1.1.0"
     ember-cli-babel "^7.26.6"
@@ -1078,14 +1080,15 @@
     resolve "^1.20.0"
     semver "^7.3.2"
 
-"@embroider/shared-internals@1.5.0", "@embroider/shared-internals@^1.0.0", "@embroider/shared-internals@^1.5.0":
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/@embroider/shared-internals/-/shared-internals-1.5.0.tgz#d3883f13571be36fcdbc59c65c785db7b6d8186e"
-  integrity sha512-kdR7Fh2YdzsNofJO+DJxLfrlMbW4/NNf78aMXgE21z/tg9GO5W2mKlI1DzsO2JlO5yfZdiYfqb9C9vSLJEx14A==
+"@embroider/shared-internals@1.6.0", "@embroider/shared-internals@^1.0.0", "@embroider/shared-internals@^1.5.0":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@embroider/shared-internals/-/shared-internals-1.6.0.tgz#35ade2ce1202e529107bf6d1fae4ca753f6ebe5a"
+  integrity sha512-es7+pV2S9+tgX5T4losppheXfa+xWtKD6x0gq7mxqA4DIdE14mORNeSWM8/Fu9f/t0tJnPqttddbgnDYw+SvrA==
   dependencies:
     babel-import-util "^1.1.0"
     ember-rfc176-data "^0.3.17"
     fs-extra "^9.1.0"
+    js-string-escape "^1.0.1"
     lodash "^4.17.21"
     resolve-package-path "^4.0.1"
     semver "^7.3.5"
@@ -1099,12 +1102,12 @@
     lodash "^4.17.21"
     resolve "^1.20.0"
 
-"@embroider/util@^0.39.1 || ^0.40.0 || ^0.41.0 || ^1.0.0", "@embroider/util@^1.0.0":
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/@embroider/util/-/util-1.5.0.tgz#0c7da82a75052daca7c709d6888b72a1da19822e"
-  integrity sha512-CoE98WDnRtXPn8x8SJkWHGw7frikRIetpImwwC9qyse/AvSoOsS4B5U0G8omZLMvwm2IEc9NemlDrS4ZyUlJ/A==
+"@embroider/util@^0.39.1 || ^0.40.0 || ^0.41.0 || ^1.0.0", "@embroider/util@^1.0.0", "@embroider/util@^1.6.0":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@embroider/util/-/util-1.6.0.tgz#6a817dfd5192afaab41e80ebce623d5812b30985"
+  integrity sha512-oUQDAMiAATHsiNwEMH/SzNSQ/Z5wDr9f6NImsDIFLvDT6T34/p7cqR4wyfrfMRtcc1EB6PbwhZ6bXYsJ6QPWRA==
   dependencies:
-    "@embroider/macros" "1.5.0"
+    "@embroider/macros" "1.6.0"
     broccoli-funnel "^3.0.5"
     ember-cli-babel "^7.23.1"