diff --git a/addons/auth/package.json b/addons/auth/package.json
index 22d022f3f..c5961167d 100644
--- a/addons/auth/package.json
+++ b/addons/auth/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "ember-cli-babel": "^7.26.6",
     "ember-cli-htmlbars": "^5.7.1",
-    "ember-simple-auth": "^3.0.1"
+    "ember-simple-auth": "^4.0.0"
   },
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index e7e32f912..753eb8038 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9409,10 +9409,10 @@ ember-router-generator@^2.0.0:
     "@babel/traverse" "^7.4.5"
     recast "^0.18.1"
 
-ember-simple-auth@^3.0.1:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/ember-simple-auth/-/ember-simple-auth-3.1.0.tgz#e8abe27f6c3c44f46ebacace57364e82223bab9a"
-  integrity sha512-JS8NtYAlSftkoQh36Kxps6iLHTP/InIgKt8w21QBHCTqDx07af4aka59GojaBvc+8GubQuGKldk6vvw3R8bwxA==
+ember-simple-auth@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/ember-simple-auth/-/ember-simple-auth-4.0.0.tgz#03efe3272f3f3ff9cd1646ce16189a1a1275f69e"
+  integrity sha512-OrVsAs+w9HJx8V1dlxcCuhkvwwaOjkD2rzetGqmsuUNNrBb1zghLmeKNeaQj4XIML4fungmCHh0o7MI/hq/y8Q==
   dependencies:
     base-64 "^0.1.0"
     broccoli-file-creator "^2.0.0"