diff --git a/CHANGES.txt b/CHANGES.txt
index e296cd4..b7abba4 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,12 @@
 Release notes
 =============
 
+1.4.2 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 1.4.1 (2023-11-20)
 ------------------
 
diff --git a/setup.py b/setup.py
index 631557a..d06dcc7 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name="fc.qemu",
-    version="1.4.1",
+    version="1.4.2.dev0",
     author="Christian Kauhaus, Christian Theune",
     author_email="mail@flyingcircus.io",
     url="http://github.com/flyingcircusio/fc.qemu",