diff --git a/CHANGES.rst b/CHANGES.rst
index f7d5d4988..d4cb9532d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,6 +5,8 @@ These features will be included in the next release:
 
 Added
 -----
+- Add a CI workflow which verifies that the ``darker --help`` output in ``README.rst``
+  is up to date.
 
 Fixed
 -----