diff --git a/package.json b/package.json
index 86d984d7..87728c7a 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@types/ember-testing-helpers": "0.0.4",
     "@types/ember__test-helpers": "2.8.0",
     "@types/qunit": "2.19.2",
-    "@types/rsvp": "4.0.4",
+    "@types/rsvp": "4.0.9",
     "@typescript-eslint/parser": "5.33.1",
     "babel-eslint": "10.1.0",
     "broccoli-asset-rev": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index be307095..205b64d2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2041,10 +2041,10 @@
     "@types/glob" "*"
     "@types/node" "*"
 
-"@types/rsvp@*", "@types/rsvp@4.0.4":
-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/@types/rsvp/-/rsvp-4.0.4.tgz#55e93e7054027f1ad4b4ebc1e60e59eb091e2d32"
-  integrity sha512-J3Ol++HCC7/hwZhanDvggFYU/GtxHxE/e7cGRWxR04BF7Tt3TqJZ84BkzQgDxmX0uu8IagiyfmfoUlBACh2Ilg==
+"@types/rsvp@*", "@types/rsvp@4.0.9":
+  version "4.0.9"
+  resolved "https://registry.yarnpkg.com/@types/rsvp/-/rsvp-4.0.9.tgz#7d9d07c1a2fa82c808eca37757cc6a20272a4b66"
+  integrity sha512-F6vaN5mbxw2MBCu/AD9fSKwrhnto2pE77dyUsi415qz9IP9ni9ZOWXHxnXfsM4NW9UjW+it189jvvqnhv37Z7Q==
 
 "@types/serve-static@*":
   version "1.13.10"