diff --git a/menus_functions_ub1804.sh b/menus_functions_ub1804.sh
index d43dfac..70cffd9 100644
--- a/menus_functions_ub1804.sh
+++ b/menus_functions_ub1804.sh
@@ -93,7 +93,7 @@ function showConfigMenu () {
         ;;
       "unattendedUpgrades")
         clear
-        installUnattendedUpgrades
+        installAppsFromList unattended-upgrades
         pressKey
         ;;
       "Unbound")
diff --git a/menus_functions_ub2004.sh b/menus_functions_ub2004.sh
index 4f0524d..4b096bb 100644
--- a/menus_functions_ub2004.sh
+++ b/menus_functions_ub2004.sh
@@ -93,7 +93,7 @@ function showConfigMenu () {
         ;;
       "unattendedUpgrades")
         clear
-        installUnattendedUpgrades
+        installAppsFromList unattended-upgrades
         pressKey
         ;;
       "Unbound")
diff --git a/repo_functions_ub1804.sh b/repo_functions_ub1804.sh
index 139c8f5..7e18c00 100644
--- a/repo_functions_ub1804.sh
+++ b/repo_functions_ub1804.sh
@@ -20,7 +20,8 @@
 # List of packages available
 # fields : package name, package manager, category, unique ID for external functions
 #
-Apps="snapd;apt;snap;snapd
+Apps="unattended-upgrades;apt;unattended-upgrades;unattended-upgrades
+snapd;apt;snap;snapd
 snap-store;snap;snap;snap-store
 apt-transport-https;apt;init;apt-transport-https
 flatpak;apt;init;flatpak
diff --git a/repo_functions_ub2004.sh b/repo_functions_ub2004.sh
index 61893e1..76b9146 100644
--- a/repo_functions_ub2004.sh
+++ b/repo_functions_ub2004.sh
@@ -20,7 +20,8 @@
 # List of packages available
 # fields : package name, package manager, category, unique ID for external functions
 #
-Apps="snapd;apt;snap;snapd
+Apps="unattended-upgrades;apt;unattended-upgrades;unattended-upgrades
+snapd;apt;snap;snapd
 snap-store;snap;snap;snap-store
 apt-transport-https;apt;init;apt-transport-https
 flatpak;apt;init;flatpak
diff --git a/tools_functions.sh b/tools_functions.sh
index 52afd4c..bce53e7 100644
--- a/tools_functions.sh
+++ b/tools_functions.sh
@@ -71,13 +71,6 @@ function enableHistoryTS () {
   retCode $ret_code
 }
 
-#
-# install/enable auto install of security updates
-#
-function installUnattendedUpgrades () {
-  installPackage apt unattended-upgrades
-}
-
 #
 # display useful system/hardware informations
 #
diff --git a/yggdrasil.sh b/yggdrasil.sh
index 563311d..98c649e 100755
--- a/yggdrasil.sh
+++ b/yggdrasil.sh
@@ -67,7 +67,7 @@ echo "--[ Yggdrasil log ]--[ "$cDate" ]--[ "$cTime" ]-----------------------" >>
 #
 # arguments/options management with getopts
 
-while getopts ":h,v,f,c,u,a,d,q,s,t,w,g,k,p" option; do
+while getopts ":h,v,f,c,u,a,d,q,s,t,w,g,j,k,p" option; do
   case "$option" in
     a) # install all apps
       if [ $ygginitCount = false ]; then
@@ -249,6 +249,17 @@ while getopts ":h,v,f,c,u,a,d,q,s,t,w,g,k,p" option; do
       msg "Unlock/Install SNAP + Store"
       installAppsFromList snap
       ;;
+    j) # unattended-upgrades
+      if [ $ygginitCount = false ]; then
+        msg "Initializing"
+        yggInit
+        msg "Updating the system"
+        updateSystem
+        ygginitCount=true
+      fi
+      msg "Install/Enable unattended-upgrades"
+      installAppsFromList unattended-upgrades
+      ;;
     u)
       msg "Initializing"
       yggInit