diff --git a/addon/package.json b/addon/package.json
index 4e8ac730..16f6d2a5 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -54,7 +54,7 @@
     "@release-it-plugins/lerna-changelog": "^6.0.0",
     "@rollup/plugin-babel": "^5.3.0",
     "@tsconfig/ember": "^2.0.0",
-    "@types/qunit": "^2.19.4",
+    "@types/qunit": "^2.19.6",
     "@types/rsvp": "^4.0.4",
     "concurrently": "^8.0.1",
     "ember-source": "^5.0.0",
@@ -65,7 +65,7 @@
     "eslint-plugin-prettier": "^4.2.1",
     "expect-type": "^0.16.0",
     "prettier": "^2.8.8",
-    "qunit": "^2.19.4",
+    "qunit": "^2.20.0",
     "release-it": "^16.1.5",
     "rollup": "^4.2.0",
     "typescript": "^4.9.5"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 20b11ba5..cd6bbf79 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -45,8 +45,8 @@ importers:
         specifier: ^2.0.0
         version: 2.0.0
       '@types/qunit':
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.19.6
+        version: 2.19.6
       '@types/rsvp':
         specifier: ^4.0.4
         version: 4.0.4
@@ -78,8 +78,8 @@ importers:
         specifier: ^2.8.8
         version: 2.8.8
       qunit:
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.20.0
+        version: 2.20.0
       release-it:
         specifier: ^16.1.5
         version: 16.1.5
@@ -94,7 +94,7 @@ importers:
     dependencies:
       ember-qunit:
         specifier: workspace:*
-        version: file:addon(@ember/test-helpers@3.0.3)(ember-source@5.0.0)(qunit@2.19.4)
+        version: file:addon(@ember/test-helpers@3.0.3)(ember-source@5.0.0)(qunit@2.20.0)
     devDependencies:
       '@babel/core':
         specifier: ^7.22.17
@@ -130,8 +130,8 @@ importers:
         specifier: ^2.0.0
         version: 2.0.0
       '@types/qunit':
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.19.6
+        version: 2.19.6
       '@types/rsvp':
         specifier: ^4.0.4
         version: 4.0.4
@@ -211,8 +211,8 @@ importers:
         specifier: ^2.8.8
         version: 2.8.8
       qunit:
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.20.0
+        version: 2.20.0
       qunit-dom:
         specifier: ^2.0.0
         version: 2.0.0
@@ -230,7 +230,7 @@ importers:
     dependencies:
       ember-qunit:
         specifier: workspace:*
-        version: file:addon(@ember/test-helpers@3.0.3)(ember-source@5.0.0)(qunit@2.19.4)
+        version: file:addon(@ember/test-helpers@3.0.3)(ember-source@5.0.0)(qunit@2.20.0)
     devDependencies:
       '@babel/core':
         specifier: ^7.22.17
@@ -266,8 +266,8 @@ importers:
         specifier: ^2.0.0
         version: 2.0.0
       '@types/qunit':
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.19.6
+        version: 2.19.6
       '@types/rsvp':
         specifier: ^4.0.4
         version: 4.0.4
@@ -347,8 +347,8 @@ importers:
         specifier: ^2.8.8
         version: 2.8.8
       qunit:
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.20.0
+        version: 2.20.0
       qunit-dom:
         specifier: ^2.0.0
         version: 2.0.0
@@ -384,8 +384,8 @@ importers:
         specifier: ^2.0.0
         version: 2.0.0
       '@types/qunit':
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.19.6
+        version: 2.19.6
       ember-cli-htmlbars:
         specifier: ^6.3.0
         version: 6.3.0
@@ -396,8 +396,8 @@ importers:
         specifier: ^5.0.0
         version: 5.0.0(@babel/core@7.22.17)(@glimmer/component@1.1.2)(webpack@5.86.0)
       qunit:
-        specifier: ^2.19.4
-        version: 2.19.4
+        specifier: ^2.20.0
+        version: 2.20.0
       typescript:
         specifier: ^4.9.5
         version: 4.9.5
@@ -3420,8 +3420,8 @@ packages:
     resolution: {integrity: sha512-FGa1F62FT09qcrueBA6qYTrJPVDzah9a+493+o2PCXsesWHIn27G98TsSMs3WPNbZIEj4+VJf6saSFpvD+3Zsw==}
     dev: true
 
-  /@types/qunit@2.19.4:
-    resolution: {integrity: sha512-EocRiD2JRWrOaA0dnyyLX083DIo1p3OSBBiGODcHaMzOFhteXtvRRp0kKsiYYqynnBSMqnqRI92iE32axdoXZw==}
+  /@types/qunit@2.19.6:
+    resolution: {integrity: sha512-bz9STa6EHurtpSfn5cNiScBladlw43bM+7luQA985Kd9YlF4dZaLmKt3c5/oSyN1AWAl50YBpqTq0BxCP64nGg==}
     dev: true
 
   /@types/range-parser@1.2.4:
@@ -11471,8 +11471,8 @@ packages:
       - supports-color
     dev: true
 
-  /qunit@2.19.4:
-    resolution: {integrity: sha512-aqUzzUeCqlleWYKlpgfdHHw9C6KxkB9H3wNfiBg5yHqQMzy0xw/pbCRHYFkjl8MsP/t8qkTQE+JTYL71azgiew==}
+  /qunit@2.20.0:
+    resolution: {integrity: sha512-N8Fp1J55waE+QG1KwX2LOyqulZUToRrrPBqDOfYfuAMkEglFL15uwvmH1P4Tq/omQ/mGbBI8PEB3PhIfvUb+jg==}
     engines: {node: '>=10'}
     hasBin: true
     dependencies:
@@ -13979,7 +13979,7 @@ packages:
     engines: {node: '>=12.20'}
     dev: true
 
-  file:addon(@ember/test-helpers@3.0.3)(ember-source@5.0.0)(qunit@2.19.4):
+  file:addon(@ember/test-helpers@3.0.3)(ember-source@5.0.0)(qunit@2.20.0):
     resolution: {directory: addon, type: directory}
     id: file:addon
     name: ember-qunit
@@ -13993,7 +13993,7 @@ packages:
       '@embroider/macros': 1.13.1
       ember-cli-test-loader: 3.1.0
       ember-source: 5.0.0(@babel/core@7.22.17)(@glimmer/component@1.1.2)(webpack@5.86.0)
-      qunit: 2.19.4
+      qunit: 2.20.0
     transitivePeerDependencies:
       - '@glint/template'
       - supports-color
diff --git a/test-app/package.json b/test-app/package.json
index b3554ba2..ef91e553 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -41,7 +41,7 @@
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
     "@tsconfig/ember": "^2.0.0",
-    "@types/qunit": "^2.19.4",
+    "@types/qunit": "^2.19.6",
     "@types/rsvp": "^4.0.4",
     "concurrently": "^8.0.1",
     "ember-angle-bracket-invocation-polyfill": "^3.0.2",
@@ -68,7 +68,7 @@
     "loader.js": "^4.7.0",
     "pnpm-sync-dependencies-meta-injected": "^0.0.9",
     "prettier": "^2.8.8",
-    "qunit": "^2.19.4",
+    "qunit": "^2.20.0",
     "qunit-dom": "^2.0.0",
     "typescript": "^4.9.5",
     "webpack": "^5.86.0"
diff --git a/test-buildtime-options-app/package.json b/test-buildtime-options-app/package.json
index 6b1d56c3..b60942d2 100644
--- a/test-buildtime-options-app/package.json
+++ b/test-buildtime-options-app/package.json
@@ -41,7 +41,7 @@
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
     "@tsconfig/ember": "^2.0.0",
-    "@types/qunit": "^2.19.4",
+    "@types/qunit": "^2.19.6",
     "@types/rsvp": "^4.0.4",
     "concurrently": "^8.0.1",
     "ember-angle-bracket-invocation-polyfill": "^3.0.2",
@@ -68,7 +68,7 @@
     "loader.js": "^4.7.0",
     "pnpm-sync-dependencies-meta-injected": "^0.0.9",
     "prettier": "^2.8.8",
-    "qunit": "^2.19.4",
+    "qunit": "^2.20.0",
     "qunit-dom": "^2.0.0",
     "typescript": "^4.9.5",
     "webpack": "^5.86.0"
diff --git a/test-types/package.json b/test-types/package.json
index f888440d..c00d9b64 100644
--- a/test-types/package.json
+++ b/test-types/package.json
@@ -14,11 +14,11 @@
     "@ember/test-helpers": "^3.0.3",
     "@glimmer/component": "^1.1.2",
     "@tsconfig/ember": "^2.0.0",
-    "@types/qunit": "^2.19.4",
+    "@types/qunit": "^2.19.6",
     "ember-cli-htmlbars": "^6.3.0",
     "ember-resolver": "^10.1.0",
     "ember-source": "^5.0.0",
-    "qunit": "^2.19.4",
+    "qunit": "^2.20.0",
     "typescript": "^4.9.5"
   },
   "volta": {