diff --git a/packages/ember-engine-router-service/package.json b/packages/ember-engine-router-service/package.json
index 6af71f8..627bb7a 100644
--- a/packages/ember-engine-router-service/package.json
+++ b/packages/ember-engine-router-service/package.json
@@ -43,7 +43,7 @@
     "@types/ember-qunit": "^3.4.14",
     "@types/ember__test-helpers": "^2.0.1",
     "@types/qunit": "^2.11.2",
-    "@types/rsvp": "^4.0.3",
+    "@types/rsvp": "^4.0.4",
     "broccoli-asset-rev": "^3.0.0",
     "ember-auto-import": "^1.11.3",
     "ember-cli": "~3.27.0",
diff --git a/yarn.lock b/yarn.lock
index 106575b..4a36b20 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2111,10 +2111,10 @@
     "@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@^4.0.4":
+  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/serve-static@*":
   version "1.13.3"