diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ed8643ca..c28e44565 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,7 +15,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
     _Security_ in case of vulnerabilities.
  -->
 
-## [Unreleased](https://github.com/o1-labs/o1js/compare/1b6fd8b8e...HEAD)
+## [Unreleased](https://github.com/o1-labs/o1js/compare/968a35111...HEAD)
+
+> No unreleased changes yet
+
+## [1.0.0](https://github.com/o1-labs/o1js/compare/1b6fd8b8e...968a35111) - 2024-04-22
 
 ### Breaking changes
 
diff --git a/package-lock.json b/package-lock.json
index e294ab796..6c5130aed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "o1js",
-  "version": "0.18.0",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "o1js",
-      "version": "0.18.0",
+      "version": "1.0.0",
       "license": "Apache-2.0",
       "dependencies": {
         "blakejs": "1.2.1",
diff --git a/package.json b/package.json
index 99153383c..1d381d343 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "o1js",
   "description": "TypeScript framework for zk-SNARKs and zkApps",
-  "version": "0.18.0",
+  "version": "1.0.0",
   "license": "Apache-2.0",
   "homepage": "https://github.com/o1-labs/o1js/",
   "keywords": [