diff --git a/CT-Build/Debian.yaml b/CT-Build/Debian.yaml
index e73c302..5766eb0 100644
--- a/CT-Build/Debian.yaml
+++ b/CT-Build/Debian.yaml
@@ -1,6 +1,6 @@
 image:
   distribution: "debian"
-  release: "bookworm"
+  release: "trixie"
 
 source:
   downloader: debootstrap
@@ -1678,6 +1678,13 @@ actions:
     systemctl mask systemd-networkd.socket
     systemctl mask systemd-networkd-wait-online.service
 
+    # Disable unwanted mounts
+    systemctl mask dev-mqueue.mount
+    systemctl mask run-lock.mount 
+    systemctl mask sys-kernel-config.mount 
+    systemctl mask sys-kernel-debug.mount 
+    systemctl mask tmp.mount
+
     # Make sure the locale is built and functional
     echo en_US.UTF-8 UTF-8 >> /etc/locale.gen
     locale-gen en_US.UTF-8 UTF-8
@@ -1741,6 +1748,14 @@ actions:
       mv /opt/Setup/Scripts/PTKAppUpdate.sh /opt/ProxMoxToolKitAppUpdate.sh
     fi
 
+#Modernize apt sources
+- trigger: post-files
+  action: |-
+    #!/bin/sh
+    apt modernize-sources -y
+    rm -f /etc/apt/sources.list.bak
+    rm -f /etc/apt/sources.list.d/*.bak
+
 #Setup jenkins user for node CT
 - trigger: post-packages
   action: |-