diff --git a/src/checkmk/constants-service.conf b/src/checkmk/constants-service.conf
index 4bd1582..9715ad6 100644
--- a/src/checkmk/constants-service.conf
+++ b/src/checkmk/constants-service.conf
@@ -8,7 +8,7 @@
 # This file contains the project constants on service level
 
 # Debian Version, which will be installed
-LXC_TEMPLATE_VERSION="debian-12-standard"
+LXC_TEMPLATE_VERSION="debian-13-standard"
 
 
 # Create sharefs mountpoint
@@ -28,7 +28,7 @@ LXC_NESTING="1"
 LXC_KEYCTL="0"
 
 # checkmk version
-CMK_VERSION=2.3.0p6
+CMK_VERSION=2.4.0p18
 # build number of the debian package (needs to start with underscore)
 CMK_BUILD=_0