diff --git a/CHANGELOG.md b/CHANGELOG.md
index 988d8b7..b00892c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+## [1.0.0] - 2023-05-07
+### Added
+- Added project documentation page on github pages.
+- New python version tests.
+
+### Changed
+- Minimum required python version upgraded to `3.9`.
+- Make compatiable for new python versions.
+
 ## [0.1.2] - 2021-10-07
 ### Fixed
 - Fixed critical bug in `ipv4` function, for more details [issue #1](https://github.com/eredotpkfr/fipv/issues/1)