diff --git a/cherry_picker/cherry_picker/__init__.py b/cherry_picker/cherry_picker/__init__.py
index 81dd191..a45b2c4 100644
--- a/cherry_picker/cherry_picker/__init__.py
+++ b/cherry_picker/cherry_picker/__init__.py
@@ -1,2 +1,2 @@
 """Backport CPython changes from master to maintenance branches."""
-__version__ = '1.2.0.dev1'
+__version__ = '1.2.1.dev1'
diff --git a/cherry_picker/readme.rst b/cherry_picker/readme.rst
index 86337b7..963e965 100644
--- a/cherry_picker/readme.rst
+++ b/cherry_picker/readme.rst
@@ -339,8 +339,11 @@ in the directory where ``pyproject.toml`` exists::
 Changelog
 =========
 
-1.2.0 (in development)
-----------------------
+1.2.1 (in development)
+-----------------------
+
+1.2.0
+-----
 
 - Add ``default_branch`` configuration item. The default is ``master``, which
   is the default branch for CPython. It can be configured to other branches like,