diff --git a/Changelog.Debian b/Changelog.Debian
index 84bde1b86..f33843151 100644
--- a/Changelog.Debian
+++ b/Changelog.Debian
@@ -1,3 +1,10 @@
+klayout (0.28.13-1) unstable; urgency=low
+
+  * New features and bugfixes
+    - See changelog
+
+ -- Matthias Köfferlein <matthias@koefferlein.de>  Mon, 20 Nov 2023 07:11:58 +0100
+
 klayout (0.28.12-1) unstable; urgency=low
 
   * New features and bugfixes
diff --git a/version.sh b/version.sh
index 092b12303..b359f516c 100644
--- a/version.sh
+++ b/version.sh
@@ -2,10 +2,10 @@
 # This script is sourced to define the main version parameters
 
 # The main version
-KLAYOUT_VERSION="0.28.12"
+KLAYOUT_VERSION="0.28.13"
 
 # The version used for PyPI (don't use variables here!)
-KLAYOUT_PYPI_VERSION="0.28.12"
+KLAYOUT_PYPI_VERSION="0.28.13"
 
 # The build date
 KLAYOUT_VERSION_DATE=$(date "+%Y-%m-%d")