diff --git a/CHANGELOG.md b/CHANGELOG.md
index 878eeff8..fec92a21 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Next version
 
+## 1.4.0
+
 - Add `RegExp.setLastIndex` function. https://github.com/rescript-association/rescript-core/pull/219
 - Add `Nullable.isNullable` function. https://github.com/rescript-association/rescript-core/pull/227
 - Remove some deps to Belt, Pervasives and Js. https://github.com/rescript-association/rescript-core/pull/226/commits
diff --git a/package-lock.json b/package-lock.json
index 82308496..5cc858b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@rescript/core",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@rescript/core",
-      "version": "1.3.0",
+      "version": "1.4.0",
       "license": "MIT",
       "devDependencies": {
         "@babel/code-frame": "7.18.6",
diff --git a/package.json b/package.json
index d2500be2..5b23e1e9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rescript/core",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "scripts": {
     "clean": "rescript clean",
     "build": "rescript",