diff --git a/CHANGES.rst b/CHANGES.rst
index 5e3cc7416c4cdec405495cd8654addec1cef3a69..f4ffa39578860bae1a539826e1e964e585fd4eea 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,9 @@ Changes
 0.4.1 (unreleased)
 ------------------
 
+- New option ``-r``, ``--randomsource``. We support a pluggable system
+  to define alternative sources of randomness. Currently supported
+  sources: ``"system"``.
 - Rename `SRC_DIR` to `WORDLISTS_DIR` (reflecting what it stands for).
 - Use also flake8 with tox.
 - Pass `options` to `get_passphrase()` instead of a bunch of single args.