diff --git a/ct/alpine-teamspeak-server.sh b/ct/alpine-teamspeak-server.sh
index 20464955..104b18f6 100644
--- a/ct/alpine-teamspeak-server.sh
+++ b/ct/alpine-teamspeak-server.sh
@@ -23,26 +23,32 @@ function update_script() {
   header_info
 
   if [[ ! -d /opt/teamspeak-server ]]; then
-    msg_error "No ${APP} Installation Found!"
+    msg_error "No ${APP} installation found!"
     exit 1
   fi
 
-  RELEASE=$(curl -fsSL https://teamspeak.com/en/downloads/#server | sed -n '/teamspeak3-server_linux_amd64-/ { s/.*teamspeak3-server_linux_amd64-\([0-9]\+\.[0-9]\+\.[0-9]\+\).*/\1/p; q }')
+  # define custom command to scrape version
+  local CUSTOM_CMD="curl -fsSL https://teamspeak.com/en/downloads/#server \
+    | sed -n '/teamspeak3-server_linux_amd64-/ { s/.*teamspeak3-server_linux_amd64-\([0-9]\+\.[0-9]\+\.[0-9]\+\).*/\1/p; q }'"
 
-  if [ "${RELEASE}" != "$(cat ~/.teamspeak-server)" ] || [ ! -f ~/.teamspeak-server ]; then
-    msg_info "Updating ${APP} LXC"
+  if check_for_update "${APP}" "${CUSTOM_CMD}"; then
+    local release="$CHECK_UPDATE_RELEASE"
+
+    msg_info "Updating ${APP} LXC to v${release}"
     $STD apk -U upgrade
     $STD service teamspeak stop
-    curl -fsSL "https://files.teamspeak-services.com/releases/server/${RELEASE}/teamspeak3-server_linux_amd64-${RELEASE}.tar.bz2" -o ts3server.tar.bz2
-    tar -xf ./ts3server.tar.bz2
+
+    curl -fsSL "https://files.teamspeak-services.com/releases/server/${release}/teamspeak3-server_linux_amd64-${release}.tar.bz2" -o ts3server.tar.bz2
+    tar -xf ts3server.tar.bz2
     cp -ru teamspeak3-server_linux_amd64/* /opt/teamspeak-server/
-    rm -f ~/ts3server.tar.bz*
+
+    rm -f ts3server.tar.bz2
     rm -rf teamspeak3-server_linux_amd64
-    echo "${RELEASE}" >~/.teamspeak-server
+
+    echo "${release}" >~/.teamspeak-server
+
     $STD service teamspeak start
-    msg_ok "Updated Successfully"
-  else
-    msg_ok "No update required. ${APP} is already at ${RELEASE}"
+    msg_ok "Updated ${APP} successfully to v${release}"
   fi
 
   exit 0
diff --git a/misc/tools.func b/misc/tools.func
index 5d03c24d..97782ea9 100644
--- a/misc/tools.func
+++ b/misc/tools.func
@@ -1978,3 +1978,50 @@ EOF
     msg_ok "ClickHouse updated"
   fi
 }
+
+check_for_update() {
+  local app="$1"    # e.g. "wizarr"
+  local source="$2" # e.g. "org/repo" or custom command
+  local current_file="$HOME/.${app,,}"
+
+  msg_info "Check for update: $app"
+
+  # DNS check if GitHub
+  if [[ "$source" != *" "* ]] && [[ "$source" != http* ]]; then
+    if ! getent hosts api.github.com >/dev/null 2>&1; then
+      msg_error "Network error: cannot resolve api.github.com"
+      return 1
+    fi
+    if ! command -v jq &>/dev/null; then
+      apt-get update -qq &>/dev/null && apt-get install -y jq &>/dev/null || {
+        msg_error "Failed to install jq"
+        return 1
+      }
+    fi
+  fi
+
+  # get release
+  local release=""
+  if [[ "$source" == *" "* ]] || [[ "$source" == http* ]]; then
+    release=$(eval "$source")
+  else
+    release=$(curl -fsSL "https://api.github.com/repos/$source/releases/latest" |
+      jq -r '.tag_name' | sed 's/^v//')
+  fi
+
+  if [[ -z "$release" ]]; then
+    msg_error "Unable to determine latest release for $app"
+    return 1
+  fi
+
+  # compare with local version
+  local current=""
+  [[ -f "$current_file" ]] && current=$(<"$current_file")
+
+  if [[ "$release" != "$current" ]] || [[ ! -f "$current_file" ]]; then
+    return 0 # update needed
+  else
+    msg_ok "$app is up to date (v$release)"
+    return 1 # no update
+  fi
+}