diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1fa752..afc99c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,4 +30,11 @@ Format based on [Keep a Changelog](https://keepachangelog.com) and [Semantic Ver
 - Include Licence
 
 ### Changed
-- Update README.md with new description + authors and funding sections
\ No newline at end of file
+- Update README.md with new description + authors and funding sections
+
+## [1.2.0] - 2025-06-29
+### Changed
+- Updated `README.md` to use Miniforge and `conda-forge` for environment setup.
+- Removed unreliable `setup_env.sh` shell-based installation instructions.
+- Added instructions to configure Conda to use only `conda-forge` with strict priority.
+- Included a notice to verify base environment origin via `conda info`.