diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bacb432..02ab06dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Next version
 
+## 1.2.0
+
 - Add optional arguments to `JSON.stringify` and `JSON.parseExn` and deprecate `JSON.stringifyWithIndent`, `JSON.stringifyWithReplacer`, `JSON.parseExnWithReviver` etc. https://github.com/rescript-association/rescript-core/pull/201
 - Add `Array.join` and deprecate `Array.joinWith`. https://github.com/rescript-association/rescript-core/pull/205
 - BREAKING: Intl types: simplify bindings for constructors / functions with optional arguments. https://github.com/rescript-association/rescript-core/pull/198
diff --git a/package-lock.json b/package-lock.json
index 701ec34b..57765bad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@rescript/core",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@rescript/core",
-      "version": "1.1.0",
+      "version": "1.2.0",
       "license": "MIT",
       "devDependencies": {
         "@babel/code-frame": "7.18.6",
diff --git a/package.json b/package.json
index 3cfe7ed4..054b22c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rescript/core",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "scripts": {
     "clean": "rescript clean",
     "build": "rescript",