diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04bdf49c..7095ec0e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v4.0.0 [2023-02-27]
+
+See all previous changelogs from v4.0.0-beta.1 though 12
+
 ## v4.0.0-beta.12 [2023-02-27]
 
 ## Features
diff --git a/package-lock.json b/package-lock.json
index 17e9d6a6..adf27b8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cal-heatmap",
-  "version": "4.0.0-beta.12",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cal-heatmap",
-      "version": "4.0.0-beta.12",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "@observablehq/plot": "^0.6.0",
diff --git a/package.json b/package.json
index 5aff5c47..01abe487 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cal-heatmap",
-  "version": "4.0.0-beta.12",
+  "version": "4.0.0",
   "description": "Cal-Heatmap is a javascript module to create calendar heatmap to visualize time series data",
   "keywords": [
     "calendar",
diff --git a/src/version.ts b/src/version.ts
index 83c6a4ca..e7392269 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,2 +1,2 @@
-const VERSION = '4.0.0-beta.12';
+const VERSION = '4.0.0';
 export default VERSION;