diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1222ab..4b594e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+1.0
+- isar: Take qemu-user-static from buster and adjust binfmt setup
+
 0.20.1
 - kas-docker: Restore KAS_PREMIRRORS support
 
diff --git a/kas/__version__.py b/kas/__version__.py
index 020cb6f..0ac2731 100644
--- a/kas/__version__.py
+++ b/kas/__version__.py
@@ -25,7 +25,7 @@
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) Siemens AG, 2017-2018'
 
-__version__ = '0.20.1'
+__version__ = '1.0'
 
 # Please update docs/format-changelog.rst when changing the file version.
 __file_version__ = 8
