diff --git a/CHANGELOG.md b/CHANGELOG.md
index 665ed66a3..dfd898e1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 4.0.0
+
+* Adds the multi-note feature
+
 ## 3.1.0 (2018-03-16)
 
 * New menu design
diff --git a/package.json b/package.json
index 92b4e843a..8f98e9321 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": "3.2.0dev",
+  "version": "4.0.0",
   "author": "Test Pilot Mozilla Team",
   "bugs": {
     "url": "https://github.com/mozilla/notes/issues"
diff --git a/src/manifest.json b/src/manifest.json
index 85ead356f..c4e2dea86 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": "3.2.0dev",
+  "version": "4.0.0",
   "default_locale": "en_US",
   "author": "Mozilla Test Pilot team",
   "applications": {