diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48d280d4c..14ddd9e7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Changelog
 
-## 4.2.0dev
+## 4.2.1
 
-* TBA
+* Version bump for auto update
 
 ## 4.1.2
 
diff --git a/package.json b/package.json
index 40c1281d2..985c95610 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "notes",
   "id": "notes@mozilla.com",
   "description": "Displays a sidebar that lets you take notes on web pages.",
-  "version": "4.1.2",
+  "version": "4.2.1",
   "author": "Test Pilot Mozilla Team",
   "bugs": {
     "url": "https://github.com/mozilla/notes/issues"
diff --git a/src/manifest.json b/src/manifest.json
index 98e27c9a7..961cf4148 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "Firefox Notes",
   "description": "Displays a sidebar that lets you take notes on web pages.",
-  "version": "4.1.2",
+  "version": "4.2.1",
   "default_locale": "en_US",
   "author": "Mozilla Test Pilot team",
   "applications": {