diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4dee9c126d5e46a6e32d405e83914254fb85fc2..4995e8e01f2d14ced5b2ddf2afa6555492a83036 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,6 +57,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed (for changes in existing functionality)
 
+* `setup.py` has been replaced by a `requirements.txt`.
 * Tests comply with the new entity error handling (see
   [#32](https://gitlab.com/caosdb/caosdb-pylib/-/issues/32) in
   caosdb-pylib).
@@ -70,6 +71,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed (for now removed features)
 
+- Support for tox
 - Some redundant tests from `test_tickets.py` that checked
   functionality that was already tested in `test_error_stuff.py`.
 - `test_server_side_scripting.bin_dir.local` option in pylinkahead.ini