diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10fec954f..8b196db43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 # Changelog
 
 
+## 4.2.1 (2022-03-15)
+
+#### :bug: Bug Fix
+* `ember-simple-auth`
+  * [#2363](https://github.com/simplabs/ember-simple-auth/pull/2363) Prevent UnhandledPromiseError when restoring the session ([@swelham](https://github.com/swelham))
+
+#### Committers: 1
+- Stuart Welham ([@swelham](https://github.com/swelham))
+
 ## 4.2.0 (2022-02-14)
 
 #### :house: Internal
diff --git a/package.json b/package.json
index 15677d567..c0f1a68a9 100644
--- a/package.json
+++ b/package.json
@@ -17,5 +17,5 @@
     "release-it-lerna-changelog": "^3.1.0",
     "release-it-yarn-workspaces": "^2.0.0"
   },
-  "version": "4.2.0"
+  "version": "4.2.1"
 }
diff --git a/packages/classic-test-app/package.json b/packages/classic-test-app/package.json
index 0007afbb8..2150d682b 100644
--- a/packages/classic-test-app/package.json
+++ b/packages/classic-test-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "classic-test-app",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "private": true,
   "scripts": {
     "build": "ember build",
@@ -40,7 +40,7 @@
     "ember-load-initializers": "^2.1.1",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-resolver": "^7.0.0",
-    "ember-simple-auth": "4.2.0",
+    "ember-simple-auth": "4.2.1",
     "ember-qunit": "^4.6.0",
     "ember-source": "~3.17.0",
     "ember-source-channel-url": "^1.1.0",
diff --git a/packages/ember-simple-auth/package.json b/packages/ember-simple-auth/package.json
index c7c9f99e4..af00e3fe1 100644
--- a/packages/ember-simple-auth/package.json
+++ b/packages/ember-simple-auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-simple-auth",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "A lightweight library for implementing authentication/authorization with Ember.js applications.",
   "keywords": [
     "ember-addon"
diff --git a/packages/test-app/package.json b/packages/test-app/package.json
index e02158769..0718959d5 100644
--- a/packages/test-app/package.json
+++ b/packages/test-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "test-app",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "private": true,
   "scripts": {
     "build": "ember build",
@@ -42,7 +42,7 @@
     "ember-load-initializers": "^2.1.1",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-resolver": "^7.0.0",
-    "ember-simple-auth": "4.2.0",
+    "ember-simple-auth": "4.2.1",
     "ember-qunit": "^4.6.0",
     "ember-source": "~3.17.0",
     "ember-source-channel-url": "^1.1.0",