diff --git a/package.json b/package.json
index 7a0fa635..2950f6ab 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "@ember/optional-features": "^1.3.0",
     "@types/ember": "^3.16.0",
     "@types/ember-data": "^3.16.1",
-    "@types/ember-qunit": "^3.4.8",
+    "@types/ember-qunit": "^3.4.9",
     "@types/ember__test-helpers": "^0.7.11",
     "@types/qunit": "^2.9.1",
     "@types/rsvp": "^4.0.3",
diff --git a/yarn.lock b/yarn.lock
index 6d4573e7..8ace6745 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1234,10 +1234,10 @@
     "@types/ember__object" "*"
     "@types/rsvp" "*"
 
-"@types/ember-qunit@^3.4.8":
-  version "3.4.8"
-  resolved "https://registry.yarnpkg.com/@types/ember-qunit/-/ember-qunit-3.4.8.tgz#81dbfa76f0729ec5c455039457ba747fb7b44ec1"
-  integrity sha512-eAFYXit9vIXLiJiLzmI3Y37+AprHX0aVkgkC9cZzOLPAFeTSJ9T6Mso0o9EvrlAeFe/opg9uGp/QUgbX7X7IAw==
+"@types/ember-qunit@^3.4.9":
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/@types/ember-qunit/-/ember-qunit-3.4.9.tgz#df08d29609f906a081dc8f1c0e00b390fec3b4d7"
+  integrity sha512-XFe9EK9CVo431TJjS2a/bEcdRBCWFZeDYvYwZEDAlAVvVj9oApAX3bU4OEu9R9xHe6UhyvsgSa7dEr1tComRFQ==
   dependencies:
     "@types/ember" "*"
     "@types/ember-test-helpers" "*"