diff --git a/src/authentik/constants-service.conf b/src/authentik/constants-service.conf
index af4c4ca..8be41e4 100644
--- a/src/authentik/constants-service.conf
+++ b/src/authentik/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
 LXC_MP=1
diff --git a/src/authentik/install-service.sh b/src/authentik/install-service.sh
index 766f38d..3333df4 100644
--- a/src/authentik/install-service.sh
+++ b/src/authentik/install-service.sh
@@ -10,14 +10,9 @@ source /root/zamba.conf
 source /root/constants-service.conf
 
 # Add Docker's official GPG key:
-install -m 0755 -d /etc/apt/keyrings
-curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
-chmod a+r /etc/apt/keyrings/docker.gpg
+inst_docker
 
-# Add the repository to Apt sources:
-echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
-apt-get update
-DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get install -y -qq docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin pwgen
+DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get install -y -qq pwgen
 
 SECRET=$(random_password)
 myip=$(ip a s dev eth0 | grep -m1 inet | cut -d' ' -f6 | cut -d'/' -f1)
diff --git a/src/functions.sh b/src/functions.sh
index de745c8..35d70a6 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -109,4 +109,10 @@ inst_crowdsec() {
 inst_45drives() {
     apt_repo "45drives" "https://repo.45drives.com/key/gpg.asc" "https://repo.45drives.com/enterprise/debian" "bookworm" "main"
     apt update
+}
+
+inst_docker() {
+    apt_repo "docker" "https://download.docker.com/linux/debian/gpg" "https://download.docker.com/linux/debian" "$(lsb_release -cs)" stable
+    apt update
+    DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get install -y -qq docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin pwgen
 }
\ No newline at end of file