diff --git a/ct/mqtt.sh b/ct/mqtt.sh
index 0db240421..2dcb5f823 100644
--- a/ct/mqtt.sh
+++ b/ct/mqtt.sh
@@ -21,18 +21,28 @@ color
 catch_errors
 
 function update_script() {
-    header_info
-    check_container_storage
-    check_container_resources
-    if [[ ! -f /etc/mosquitto/conf.d/default.conf ]]; then
-        msg_error "No ${APP} Installation Found!"
-        exit
-    fi
-    msg_info "Updating ${APP} LXC"
-    $STD apt update
-    $STD apt -y upgrade
-    msg_ok "Updated successfully!"
+  header_info
+  check_container_storage
+  check_container_resources
+
+  if [[ ! -f /etc/mosquitto/conf.d/default.conf ]]; then
+    msg_error "No ${APP} Installation Found!"
     exit
+  fi
+
+  if [[ ! -f /etc/apt/sources.list.d/mqtt.sources ]]; then
+    setup_deb822_repo \
+      "mqtt" \
+      "https://repo.mosquitto.org/debian/mosquitto-repo.gpg" \
+      "https://repo.mosquitto.org/debian" \
+      "trixie"
+  fi
+
+  msg_info "Updating MQTT"
+  $STD apt update
+  $STD apt upgrade -y
+  msg_ok "Updated successfully!"
+  exit
 }
 
 start
diff --git a/install/mqtt-install.sh b/install/mqtt-install.sh
index 32dd8dc8f..23037faad 100644
--- a/install/mqtt-install.sh
+++ b/install/mqtt-install.sh
@@ -13,18 +13,26 @@ setting_up_container
 network_check
 update_os
 
-msg_info "Installing Mosquitto MQTT Broker"
-source /etc/os-release
-$STD apt update
-$STD apt -y install mosquitto mosquitto-clients
+setup_deb822_repo \
+  "mqtt" \
+  "https://repo.mosquitto.org/debian/mosquitto-repo.gpg" \
+  "https://repo.mosquitto.org/debian" \
+  "trixie"
 
+msg_info "Installing Mosquitto MQTT Broker"
+$STD apt install -y \
+  mosquitto \
+  mosquitto-clients
+msg_ok "Installed Mosquitto MQTT Broker"
+
+msg_info "Configuring Mosquitto MQTT Broker"
 cat <<EOF >/etc/mosquitto/conf.d/default.conf
 allow_anonymous false
 persistence true
 password_file /etc/mosquitto/passwd
 listener 1883
 EOF
-msg_ok "Installed Mosquitto MQTT Broker"
+msg_ok "Configured Mosquitto MQTT Broker"
 
 motd_ssh
 customize