diff --git a/conn.sh b/conn.sh
index aa94b28..47cca12 100644
--- a/conn.sh
+++ b/conn.sh
@@ -1,146 +1,167 @@
 #!/bin/bash
-
-while [ ! -n "$1" ]; do
-      echo "Usage: $0 (options) <ip>"
-      echo "Options:"
-      echo " -m/--multi -- test multiple ips / disable portscan"
-      echo " -h/--help -- show help"
-      echo " -6/--force-ipv6 -- force ipv6 portscanning (also forces portscanning)"
-      echo " -4/--force-ipv4 -- force ipv4 portscanning (also forces portscanning)"
-      echo " -y/--yes -- portscan without asking"
-      echo " -n/--no -- dont portscan"
-      echo " -p/--portscan -- same as -y"
-      echo " -w/--wait -- wait for active connection"
-      exit
-done
-while [ ! -z "$1" ]; do
-   if [[ "$1" == "--help" ]] || [[ "$1" == "-h" ]];then
-      echo "Usage: $0 (options) <ip> (y/n)"
-      echo "Options:"
-      echo " -m/--multi -- test multiple ips / disable portscan"
-      echo " -h/--help -- show help"
-      echo " -6/--force-ipv6 -- force ipv6 portscanning (also forces portscanning)"
-      echo " -4/--force-ipv4 -- force ipv4 portscanning (also forces portscanning)"
-      echo " -y/--yes -- portscan without asking"
-      echo " -n/--no -- dont portscan"
-      echo " -p/--portscan -- same as -y"
-      echo " -w/--wait -- wait for active connection"
-      exit
-   elif [[ $1 == "-m" ]] || [[ "$1" == "--multi" ]];then
-      echo "multi-ip mode, portscan disabled"
-      echo "-------------------Availability----------------------"
-      fping -e $@
-      echo "-----------------------------------------------------"
-      exit
-   elif [[ $1 == "-y" ]] || [[ $1 == "-p" ]] || [[ "$1" == "--portscan" ]] || [[ "$1" == "--yes" ]];then
-      echo "checking connection status for $2"
-      echo "-------------------Availability----------------------"
-      fping -e $2
-      echo "-----------------------------------------------------"
-      echo "-------------------Portscan---------------------"
-      nmap --reason -Pn $2
-      echo ""
-      fping -c 4 $2
-      echo "------------------------------------------------"
-      exit
-   elif [[ $1 == "-n" ]] || [[ "$1" == "--no" ]];then
-      echo "checking connection status for $2"
-      echo "-------------------Availability----------------------"
-      fping -e $2
-      echo "-----------------------------------------------------"
-      exit
-   elif [[ $1 == "-6" ]] || [[ "$1" == "--force-ipv6" ]];then
-      echo "-6 used, forcing IPv6 portscanning"
-      echo "checking connection status for $2"
-      echo "-------------------Availability----------------------"
-      fping -6 -e $2
-      echo "-----------------------------------------------------"
-      echo "-------------------Portscan---------------------"
-      nmap --reason -Pn -6 $2
-      echo ""
-      fping -6 -c 4 $2
-      echo "------------------------------------------------"
-      exit
-   elif [[ $1 == "-4" ]] || [[ "$1" == "--force-ipv4" ]];then
-      echo "-4 used, forcing IPv4 portscanning"
-      echo "checking connection status for $2"
-      echo "-------------------Availability----------------------"
-      fping -4 -e $2
-      echo "-----------------------------------------------------"
-      echo "-------------------Portscan---------------------"
-      nmap --reason -Pn $2
-      echo ""
-      fping -6 -c 4 $2
-      echo "------------------------------------------------"
-      exit
-   elif [[ "$1" == "-w" ]] || [[ "$1" == "--wait" ]];then
-      echo "-w used, waiting for active connection"
-      echo "checking connection status for $2"
-      while [[ "$(fping -m -q -u $2)" == "$2" ]]; do :
-         done
-      notify-send "$2 is now reachable" -u normal -t 15000 -a conn
-      echo "-------------------Availability----------------------"
-      fping -e $2
-      echo "-----------------------------------------------------"
-      echo "portscan? (y/n) (default: y)"
-         read portscan
-         if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
-            echo "-------------------Portscan---------------------"
-            nmap --reason -Pn $2
-            echo ""
-            fping -c 4 $2
-            echo "------------------------------------------------"
-            exit
-         else
-            exit
-         fi
-      exit
-   elif [[ ! "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$1" =~ [:] ]] && [[ ! "$2" =~ [:] ]] && [[ -z "$3" ]];then
-      echo "detected IPv6 adress -> using -6"
-      echo "checking connection status for $1"
-      echo "-------------------Availability----------------------"
-      fping -6 -e $1
-      echo "-----------------------------------------------------"
-      echo "portscan? (y/n) (default: y)"
-         read portscan
-         if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
-            echo "-------------------Portscan---------------------"
-            nmap --reason -Pn -6 $1
-            echo ""
-            fping -6 -c 4 $1
-            echo "------------------------------------------------"
-         else
-            exit
-         fi
-      exit
-   elif [[ "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$2" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] || [[ "$3" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$1" =~ [-] ]];then
-      echo "multi-ip input detected, portscan disabled"
-      echo "-------------------Availability----------------------"
-      fping -e $@
-      echo "-----------------------------------------------------"
-      exit
-   elif [[ ! "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$2" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$1" =~ [:] ]] && [[ "$2" =~ [:] ]] || [[ ! "$3" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$1" =~ [-] ]] && [[ ! "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$2" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$1" =~ [:] ]] && [[ "$2" =~ [:] ]];then
-      echo "multi-ipv6 input detected, portscan disabled"
-      echo "-------------------Availability----------------------"
-      fping -e -6 $@
-      echo "-----------------------------------------------------"
-      exit
-   else
-      echo "checking connection status for $1"
-      echo "-------------------Availability----------------------"
-      fping -e $1
-      echo "-----------------------------------------------------"
-      echo "portscan? (y/n) (default: y)"
-         read portscan
-         if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
-            echo "-------------------Portscan---------------------"
-            nmap --reason -Pn $1
-            echo ""
-            fping -c 4 $1
-            echo "------------------------------------------------"
-            exit
-         else
-            exit
-         fi
+version=19
+if [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/version) > "$version" ]] && [[ -z $1 ]] || [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/version) > "$version" ]] && [[ $1 != "--update" ]] || [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/version) > "$version" ]] && [[ $1 != "-u" ]];then
+  echo "#############################################"
+  echo -e "\e[4mnote: newer version detected, use -u to update\e[0m"
+  echo "#############################################"
+  echo ""
 fi
-done
+   while [ ! -n "$1" ]; do
+         echo "Usage: $0 (options) <ip>"
+         echo "Options:"
+         echo " -m/--multi -- test multiple ips / disable portscan"
+         echo " -h/--help -- show help"
+         echo " -6/--force-ipv6 -- force ipv6 portscanning (also forces portscanning)"
+         echo " -4/--force-ipv4 -- force ipv4 portscanning (also forces portscanning)"
+         echo " -y/--yes -- portscan without asking"
+         echo " -n/--no -- dont portscan"
+         echo " -p/--portscan -- same as -y"
+         echo " -w/--wait -- wait for active connection"
+         echo " -u/--update -- update the script to the newest version"
+         exit
+   done
+   while [ ! -z "$1" ]; do
+      if [[ "$1" == "--help" ]] || [[ "$1" == "-h" ]];then
+         echo "Usage: $0 (options) <ip> (y/n)"
+         echo "Options:"
+         echo " -m/--multi -- test multiple ips / disable portscan"
+         echo " -h/--help -- show help"
+         echo " -6/--force-ipv6 -- force ipv6 portscanning (also forces portscanning)"
+         echo " -4/--force-ipv4 -- force ipv4 portscanning (also forces portscanning)"
+         echo " -y/--yes -- portscan without asking"
+         echo " -n/--no -- dont portscan"
+         echo " -p/--portscan -- same as -y"
+         echo " -w/--wait -- wait for active connection"
+         echo " -u/--update -- update the script to the newest version"
+         exit
+      elif [[ $1 == "-m" ]] || [[ "$1" == "--multi" ]];then
+         echo "multi-ip mode, portscan disabled"
+         echo "-------------------Availability----------------------"
+         fping -e $@
+         echo "-----------------------------------------------------"
+         exit
+      elif [[ $1 == "-y" ]] || [[ $1 == "-p" ]] || [[ "$1" == "--portscan" ]] || [[ "$1" == "--yes" ]];then
+         echo "checking connection status for $2"
+         echo "-------------------Availability----------------------"
+         fping -e $2
+         echo "-----------------------------------------------------"
+         echo "-------------------Portscan---------------------"
+         nmap --reason -Pn $2
+         echo ""
+         fping -c 4 $2
+         echo "------------------------------------------------"
+         exit
+      elif [[ $1 == "-n" ]] || [[ "$1" == "--no" ]];then
+         echo "checking connection status for $2"
+         echo "-------------------Availability----------------------"
+         fping -e $2
+         echo "-----------------------------------------------------"
+         exit
+      elif [[ $1 == "-6" ]] || [[ "$1" == "--force-ipv6" ]];then
+         echo "-6 used, forcing IPv6 portscanning"
+         echo "checking connection status for $2"
+         echo "-------------------Availability----------------------"
+         fping -6 -e $2
+         echo "-----------------------------------------------------"
+         echo "-------------------Portscan---------------------"
+         nmap --reason -Pn -6 $2
+         echo ""
+         fping -6 -c 4 $2
+         echo "------------------------------------------------"
+         exit
+      elif [[ $1 == "-4" ]] || [[ "$1" == "--force-ipv4" ]];then
+         echo "-4 used, forcing IPv4 portscanning"
+         echo "checking connection status for $2"
+         echo "-------------------Availability----------------------"
+         fping -4 -e $2
+         echo "-----------------------------------------------------"
+         echo "-------------------Portscan---------------------"
+         nmap --reason -Pn $2
+         echo ""
+         fping -6 -c 4 $2
+         echo "------------------------------------------------"
+         exit
+      elif [[ $1 == "-u" ]] || [[ "$1" == "--update" ]];then
+         if [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/version) > "$version" ]];then
+           wget -O $0 --quiet "https://raw.githubusercontent.com/byReqz/conn/main/conn.sh"
+           echo "#############################################"
+           echo -e "\e[4mscript has been updated to the newest version\e[0m"
+           echo "#############################################"
+           exit
+         elif [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/version) < "$version" ]];then
+           echo "#############################################"
+           echo "no newer version found"
+           echo "#############################################"
+           exit
+         fi
+      elif [[ "$1" == "-w" ]] || [[ "$1" == "--wait" ]];then
+         echo "-w used, waiting for active connection"
+         echo "checking connection status for $2"
+         while [[ "$(fping -m -q -u $2)" == "$2" ]]; do :
+            done
+         notify-send "$2 is now reachable" -u normal -t 15000 -a conn
+         echo "-------------------Availability----------------------"
+         fping -e $2
+         echo "-----------------------------------------------------"
+         echo "portscan? (y/n) (default: y)"
+            read portscan
+            if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
+               echo "-------------------Portscan---------------------"
+               nmap --reason -Pn $2
+               echo ""
+               fping -c 4 $2
+               echo "------------------------------------------------"
+               exit
+            else
+               exit
+            fi
+         exit
+      elif [[ ! "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$1" =~ [:] ]] && [[ ! "$2" =~ [:] ]] && [[ -z "$3" ]];then
+         echo "detected IPv6 adress -> using -6"
+         echo "checking connection status for $1"
+         echo "-------------------Availability----------------------"
+         fping -6 -e $1
+         echo "-----------------------------------------------------"
+         echo "portscan? (y/n) (default: y)"
+            read portscan
+            if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
+               echo "-------------------Portscan---------------------"
+               nmap --reason -Pn -6 $1
+               echo ""
+               fping -6 -c 4 $1
+               echo "------------------------------------------------"
+            else
+               exit
+            fi
+         exit
+      elif [[ "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$2" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] || [[ "$3" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$1" =~ [-] ]];then
+         echo "multi-ip input detected, portscan disabled"
+         echo "-------------------Availability----------------------"
+         fping -e $@
+         echo "-----------------------------------------------------"
+         exit
+      elif [[ ! "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$2" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$1" =~ [:] ]] && [[ "$2" =~ [:] ]] || [[ ! "$3" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$1" =~ [-] ]] && [[ ! "$1" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ ! "$2" =~ [0-9]{1,3}(\.[0-9]{1,3}){3} ]] && [[ "$1" =~ [:] ]] && [[ "$2" =~ [:] ]];then
+         echo "multi-ipv6 input detected, portscan disabled"
+         echo "-------------------Availability----------------------"
+         fping -e -6 $@
+         echo "-----------------------------------------------------"
+         exit
+      else
+         echo "checking connection status for $1"
+         echo "-------------------Availability----------------------"
+         fping -e $1
+         echo "-----------------------------------------------------"
+         echo "portscan? (y/n) (default: y)"
+            read portscan
+            if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
+               echo "-------------------Portscan---------------------"
+               nmap --reason -Pn $1
+               echo ""
+               fping -c 4 $1
+               echo "------------------------------------------------"
+               exit
+            else
+               exit
+            fi
+   fi
+   done