diff --git a/src/zmb-member/constants-service.conf b/src/zmb-member/constants-service.conf
index 47f6a82..bd524f3 100644
--- a/src/zmb-member/constants-service.conf
+++ b/src/zmb-member/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-11-standard"
+LXC_TEMPLATE_VERSION="debian-12-standard"
 
 # Create sharefs mountpoint
 LXC_MP="1"
diff --git a/src/zmb-member/install-service.sh b/src/zmb-member/install-service.sh
index 2932abc..f8c35ef 100644
--- a/src/zmb-member/install-service.sh
+++ b/src/zmb-member/install-service.sh
@@ -9,14 +9,9 @@ source /root/functions.sh
 source /root/zamba.conf
 source /root/constants-service.conf
 
-# add wsdd package repo
-apt-key adv --fetch-keys https://pkg.ltec.ch/public/conf/ltec-ag.gpg.key
-echo "deb https://pkg.ltec.ch/public/ $(lsb_release -cs) main" > /etc/apt/sources.list.d/wsdd.list
-echo "deb http://ftp.de.debian.org/debian $(lsb_release -cs)-backports main contrib" > /etc/apt/sources.list.d/$(lsb_release -cs)-backports.list
-
 apt update
 
-DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -o DPkg::options::="--force-confdef" -o DPkg::options::="--force-confold" -t $(lsb_release -cs)-backports acl samba winbind libpam-winbind libnss-winbind krb5-user krb5-config samba-dsdb-modules samba-vfs-modules wsdd
+DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -o DPkg::options::="--force-confdef" -o DPkg::options::="--force-confold" acl samba winbind libpam-winbind libnss-winbind krb5-user krb5-config samba-dsdb-modules samba-vfs-modules wsdd
 
 mv /etc/krb5.conf /etc/krb5.conf.bak
 cat > /etc/krb5.conf <<EOF