diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..b0cb38a
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,26 @@
+# Changelog
+
+## 1.0.0 (2024-06-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* bundle splitting ([#13](https://github.com/ubiquibot/permit-generation/issues/13))
+
+### Features
+
+* add custom reward token to permit ([16b08bc](https://github.com/ubiquibot/permit-generation/commit/16b08bc2ea6cadaba5f1446c832ec85d609bedab))
+* bundle splitting ([#13](https://github.com/ubiquibot/permit-generation/issues/13)) ([38eb308](https://github.com/ubiquibot/permit-generation/commit/38eb30843665724ca6521f19b72e572d0f59c1c2))
+* encode decode permits ([#10](https://github.com/ubiquibot/permit-generation/issues/10)) ([5673641](https://github.com/ubiquibot/permit-generation/commit/567364137dd48bfa7adf1c5c8a9b55e48d470181))
+* package generation and publish ([f743a24](https://github.com/ubiquibot/permit-generation/commit/f743a242bfe4487e4309647690228d98342bad74))
+* permit module ([b3b95d1](https://github.com/ubiquibot/permit-generation/commit/b3b95d1a8e9081ee4d33b8408ddf194b961ae090))
+* permits ([3b928a1](https://github.com/ubiquibot/permit-generation/commit/3b928a1c0544d8c117133cf80c4a3bcc58697345))
+* return data to kernel ([de23301](https://github.com/ubiquibot/permit-generation/commit/de2330129fe709292e4598f81cb1461ac43c0df6))
+* rollup for package bundling ([628cb59](https://github.com/ubiquibot/permit-generation/commit/628cb59da66c16f1ea8d76c95caaa25426486641))
+
+
+### Bug Fixes
+
+* fixed compilation and erc20 tests ([63c3823](https://github.com/ubiquibot/permit-generation/commit/63c3823ae49cbda768dfd01d58d25e926101d7e9))
+* fixed erc721 tests and errors ([414f29f](https://github.com/ubiquibot/permit-generation/commit/414f29fe852f7a5360eef1344d1e5d7b0da0dda5))
+* this makes no sense ([881f006](https://github.com/ubiquibot/permit-generation/commit/881f006ca7f8dc64ba9fdeb7f02b3da8f0d68476))
diff --git a/package.json b/package.json
index bb53ca3..8f97f04 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ubiquibot/permit-generation",
-  "version": "1.2.2",
+  "version": "1.0.0",
   "description": "ECR20 / ECR721 permit generation for automated payments.",
   "author": "Ubiquity DAO",
   "license": "MIT",