diff --git a/package.json b/package.json
index 28342482..edd264fa 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@types/ember-qunit": "^3.4.13",
     "@types/ember__test-helpers": "^2.0.1",
     "@types/qunit": "^2.11.1",
-    "@types/rsvp": "^4.0.3",
+    "@types/rsvp": "^4.0.9",
     "@typescript-eslint/eslint-plugin": "^2.33.0",
     "@typescript-eslint/parser": "^2.33.0",
     "babel-eslint": "^10.0.2",
diff --git a/yarn.lock b/yarn.lock
index d068bfca..fb12865f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1775,10 +1775,10 @@
     "@types/glob" "*"
     "@types/node" "*"
 
-"@types/rsvp@*", "@types/rsvp@^4.0.3":
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/@types/rsvp/-/rsvp-4.0.3.tgz#4a1223158453257bce09d42b9eef7cfa6d257482"
-  integrity sha512-OpRwxbgx16nL/0/7ol0WoLLyLaMXBvtPOHjqLljnzAB/E7Qk1wtjytxgBhOTBMZvuLXnJUqfnjb4W/QclNFvSA==
+"@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/sizzle@*":
   version "2.3.2"