diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57a5d76e751d4336e4926b2695530d98d99355be..62679c651772fa40b4d4bd01986485bb310e0874 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+Changes in Release 2.1.0
+=================================================================================
+
+* `run_af2` Python package:
+  * Allow extra arguments for `run-af2` for customised AF2 pipelines
+
+
 Changes in Release 2.0.0
 =================================================================================