diff --git a/CHANGES.rst b/CHANGES.rst
index 7f310c8..0a5a8f6 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@ Changelog
 =========
 
 
+0.47 (unreleased)
+-----------------
+
+- Nothing changed yet.
+
+
 0.46 (2021-01-04)
 -----------------
 
diff --git a/check_manifest.py b/check_manifest.py
index 0efa972..0ad948a 100755
--- a/check_manifest.py
+++ b/check_manifest.py
@@ -42,7 +42,7 @@
 from distutils.text_file import TextFile  # isort:skip
 
 
-__version__ = '0.46'
+__version__ = '0.47.dev0'
 __author__ = 'Marius Gedminas <marius@gedmin.as>'
 __licence__ = 'MIT'
 __url__ = 'https://github.com/mgedmin/check-manifest'