diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cc60ce5..d8e01e80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,16 @@
 # Changelog
 
-## WIP
+## Version 0.13.0 (2021-11-10)
 
-* Dropped Python 2.7 / 3.5 support
+* Dependencies:
+  - Dropped Python 2 (2.7) support.
+  - Added support for Python 3.10 and dropped 3.5
+  - Dependency on `lark-parser` upgraded to recent versions.
+* Tests:
+  - Dependency on Pytest upgraded.
+  - Added new pre-commit hooks and updated various versions of existing hooks.
+* Miscellaneous:
+  - Added Nox support.
 
 ## Version 0.12.0 (2021-09-02)
 
diff --git a/src/decaylanguage/dec/enums.py b/src/decaylanguage/dec/enums.py
index bd49a5f0..6d0125b1 100644
--- a/src/decaylanguage/dec/enums.py
+++ b/src/decaylanguage/dec/enums.py
@@ -7,7 +7,6 @@
 Collection of enums and info to help characterising .dec decay files.
 """
 
-# Backport needed if Python 2 is used
 from enum import IntEnum