diff --git a/ct/ntfy.sh b/ct/ntfy.sh
index 3a21849eb..6dfb2c844 100644
--- a/ct/ntfy.sh
+++ b/ct/ntfy.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
-# Copyright (c) 2021-2025 tteck
-# Author: tteck (tteckster)
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
 # Source: https://ntfy.sh/
 
@@ -11,7 +11,7 @@ var_cpu="${var_cpu:-1}"
 var_ram="${var_ram:-512}"
 var_disk="${var_disk:-2}"
 var_os="${var_os:-debian}"
-var_version="${var_version:-12}"
+var_version="${var_version:-13}"
 var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
@@ -23,13 +23,31 @@ function update_script() {
     header_info
     check_container_storage
     check_container_resources
-    if [[ ! -d /var ]]; then
+    if [[ ! -d /etc/ntfy ]]; then
         msg_error "No ${APP} Installation Found!"
         exit
     fi
+
+    if [ -f /etc/apt/keyrings/archive.heckel.io.gpg ]; then
+        msg_info "Correcting old Ntfy Repository"
+        rm -f /etc/apt/keyrings/archive.heckel.io.gpg
+        rm -f /etc/apt/sources.list.d/archive.heckel.io.list
+        rm -f /etc/apt/sources.list.d/archive.heckel.io.list.bak
+        rm -f /etc/apt/sources.list.d/archive.heckel.io.sources
+        curl -fsSL -o /etc/apt/keyrings/ntfy.gpg https://archive.ntfy.sh/apt/keyring.gpg
+        cat <<'EOF' >/etc/apt/sources.list.d/ntfy.sources 
+Types: deb
+URIs: https://archive.ntfy.sh/apt/
+Suites: stable
+Components: main
+Signed-By: /etc/apt/keyrings/ntfy.gpg
+EOF
+        msg_ok "Corrected old Ntfy Repository"
+    fi
+    
     msg_info "Updating $APP LXC"
-    $STD apt-get update
-    $STD apt-get -y upgrade
+    $STD apt update
+    $STD apt -y upgrade
     msg_ok "Updated $APP LXC"
     exit
 }
@@ -41,4 +59,4 @@ description
 msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using the following URL:${CL}"
-echo -e "${TAB}${GATEWAY}${BGN}http://${IP}${CL}"
\ No newline at end of file
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}${CL}"
diff --git a/frontend/public/json/ntfy.json b/frontend/public/json/ntfy.json
index fbcecd86c..28d37388f 100644
--- a/frontend/public/json/ntfy.json
+++ b/frontend/public/json/ntfy.json
@@ -23,7 +23,7 @@
         "ram": 512,
         "hdd": 2,
         "os": "debian",
-        "version": "12"
+        "version": "13"
       }
     }
   ],
diff --git a/install/ntfy-install.sh b/install/ntfy-install.sh
index eb662f9b1..d8c6baee1 100644
--- a/install/ntfy-install.sh
+++ b/install/ntfy-install.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
-# Copyright (c) 2021-2025 tteck
-# Author: tteck (tteckster)
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
 # Source: https://ntfy.sh/
 
@@ -13,17 +13,19 @@ setting_up_container
 network_check
 update_os
 
-msg_info "Installing Dependencies"
-$STD apt-get install -y \
-  apt-transport-https
-msg_ok "Installed Dependencies"
-
 msg_info "Installing ntfy"
 mkdir -p /etc/apt/keyrings
-curl -fsSL https://archive.heckel.io/apt/pubkey.txt | gpg --dearmor -o /etc/apt/keyrings/archive.heckel.io.gpg
-echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/archive.heckel.io.gpg] https://archive.heckel.io/apt debian main" >/etc/apt/sources.list.d/archive.heckel.io.list
-$STD apt-get update
-$STD apt-get install -y ntfy
+curl -fsSL -o /etc/apt/keyrings/ntfy.gpg https://archive.ntfy.sh/apt/keyring.gpg
+cat <<EOF >/etc/apt/sources.list.d/ntfy.sources 
+Types: deb
+URIs: https://archive.ntfy.sh/apt/
+Suites: stable
+Components: main
+Signed-By: /etc/apt/keyrings/ntfy.gpg
+EOF
+
+$STD apt update
+$STD apt install -y ntfy
 systemctl enable -q --now ntfy
 msg_ok "Installed ntfy"
 
@@ -31,6 +33,7 @@ motd_ssh
 customize
 
 msg_info "Cleaning up"
-$STD apt-get -y autoremove
-$STD apt-get -y autoclean
+$STD apt -y autoremove
+$STD apt -y autoclean
+$STD apt -y clean
 msg_ok "Cleaned"