diff --git a/package.json b/package.json
index f86d3b57..1fc0c22d 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
-    "@ember/test-helpers": "^2.3.0",
+    "@ember/test-helpers": "^2.6.0",
     "@types/ember": "^3.16.5",
     "@types/ember-data": "^3.16.9",
     "@types/ember-qunit": "^3.4.13",
diff --git a/yarn.lock b/yarn.lock
index d068bfca..eec70fd8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1105,26 +1105,25 @@
     ember-cli-babel "^6.16.0"
     ember-compatibility-helpers "^1.1.1"
 
-"@ember/test-helpers@^2.3.0":
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.3.0.tgz#dcd49ecab7b66e7ca02fdc6fcae88cb426c0b60f"
-  integrity sha512-MwG80aJj5NO19CgHHIQyrSXwzo0Xz0Vfx3MrvbzkqZSYowyazOrve8/UEt00ot6h3JxCVnbvL6rY/+G41pLE3A==
+"@ember/test-helpers@^2.6.0":
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.6.0.tgz#d687515c6ab49ba72717fc62046970ef4a72ea9c"
+  integrity sha512-N5sr3layWk60wB3maCy+/5hFHQRcTh8aqxcZTSs3Od9QkuHdWBtRgMGLP/35mXpJlgWuu3xqLpt6u3dGHc8gCg==
   dependencies:
-    "@ember/test-waiters" "^2.4.4"
+    "@ember/test-waiters" "^3.0.0"
     broccoli-debug "^0.6.5"
-    broccoli-funnel "^3.0.6"
+    broccoli-funnel "^3.0.8"
     ember-cli-babel "^7.26.6"
     ember-cli-htmlbars "^5.7.1"
     ember-destroyable-polyfill "^2.0.3"
 
-"@ember/test-waiters@^2.4.4":
-  version "2.4.5"
-  resolved "https://registry.yarnpkg.com/@ember/test-waiters/-/test-waiters-2.4.5.tgz#6e8e34d1bc46a9b0cc22cb11cc5936046e926031"
-  integrity sha512-833JvHtHdEfBfKXgvmw+6oziFOpVfD4NQrc04Ztj59A11K9FPNfZ3P8YydL7LFTtdd7UfJ/cYCLAm+OwUxbotQ==
+"@ember/test-waiters@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@ember/test-waiters/-/test-waiters-3.0.0.tgz#b66a35cd5b78ec3c296a6f5f5fb3852780a5d3c8"
+  integrity sha512-z6+gIlq/rXLKroWv2wxAoiiLtgSOGQFCw6nUufERausV+jLnA7CYbWwzEo5R7XaOejSDpgA5d6haXIBsD5j0oQ==
   dependencies:
     calculate-cache-key-for-tree "^2.0.0"
     ember-cli-babel "^7.26.6"
-    ember-cli-typescript "^4.1.0"
     ember-cli-version-checker "^5.1.2"
     semver "^7.3.5"
 
@@ -3583,7 +3582,7 @@ broccoli-funnel@^2.0.0, broccoli-funnel@^2.0.1, broccoli-funnel@^2.0.2:
     symlink-or-copy "^1.0.0"
     walk-sync "^0.3.1"
 
-broccoli-funnel@^3.0.3, broccoli-funnel@^3.0.6:
+broccoli-funnel@^3.0.3, broccoli-funnel@^3.0.8:
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/broccoli-funnel/-/broccoli-funnel-3.0.8.tgz#f5b62e2763c3918026a15a3c833edc889971279b"
   integrity sha512-ng4eIhPYiXqMw6SyGoxPHR3YAwEd2lr9FgBI1CyTbspl4txZovOsmzFkMkGAlu88xyvYXJqHiM2crfLa65T1BQ==