diff --git a/CHANGES.rst b/CHANGES.rst
index 7adfd67..3d5b826 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changelog
 ---------
 
+1.2.1
+~~~~~
+
+* Add readthedocs config.
+
 1.2.0
 ~~~~~