diff --git a/ct/technitiumdns.sh b/ct/technitiumdns.sh
index 37cd88963..4ec9e3893 100644
--- a/ct/technitiumdns.sh
+++ b/ct/technitiumdns.sh
@@ -28,6 +28,11 @@ function update_script() {
     exit
   fi
 
+  if is_package_installed "aspnetcore-runtime-8.0"; then
+    $STD apt remove -y aspnetcore-runtime-8.0
+    $STD apt install -y aspnetcore-runtime-9.0
+  fi
+
   RELEASE=$(curl -fsSL https://technitium.com/dns/ | grep -oP 'Version \K[\d.]+')
   if [[ ! -f ~/.technitium || "${RELEASE}" != "$(cat ~/.technitium)" ]]; then
     msg_info "Updating Technitium DNS"
diff --git a/install/technitiumdns-install.sh b/install/technitiumdns-install.sh
index f15e7c925..2d4a5853d 100644
--- a/install/technitiumdns-install.sh
+++ b/install/technitiumdns-install.sh
@@ -18,7 +18,7 @@ curl -fsSL "https://packages.microsoft.com/config/debian/12/packages-microsoft-p
 $STD dpkg -i packages-microsoft-prod.deb
 rm -rf packages-microsoft-prod.deb
 $STD apt update
-$STD apt install -y aspnetcore-runtime-8.0
+$STD apt install -y aspnetcore-runtime-9.0
 msg_ok "Installed ASP.NET Core Runtime"
 
 RELEASE=$(curl -fsSL https://technitium.com/dns/ | grep -oP 'Version \K[\d.]+')
@@ -26,20 +26,15 @@ msg_info "Installing Technitium DNS"
 mkdir -p /opt/technitium/dns
 curl -fsSL "https://download.technitium.com/dns/DnsServerPortable.tar.gz" -o /opt/DnsServerPortable.tar.gz
 $STD tar zxvf /opt/DnsServerPortable.tar.gz -C /opt/technitium/dns/
+rm -f /opt/DnsServerPortable.tar.gz
 echo "${RELEASE}" >~/.technitium
 msg_ok "Installed Technitium DNS"
 
 msg_info "Creating service"
 cp /opt/technitium/dns/systemd.service /etc/systemd/system/technitium.service
-systemctl enable -q --now technitium
+systemctl enable -q --now technitium 
 msg_ok "Service created"
 
 motd_ssh
 customize
-
-msg_info "Cleaning up"
-rm -f /opt/DnsServerPortable.tar.gz
-$STD apt -y autoremove
-$STD apt -y autoclean
-$STD apt -y clean
-msg_ok "Cleaned"
+cleanup_lxc