diff --git a/install.sh b/install.sh
index 09d20e5..2908945 100755
--- a/install.sh
+++ b/install.sh
@@ -34,7 +34,7 @@ install_dependencies()
             case $(get_linux_dist) in
                 "ubuntu"|"debian" )
                     $SUDO apt-get update
-                    $SUDO apt-get install -y git zsh bash tmux vim python3 python3-pip curl inetutils-ping
+                    $SUDO apt-get install -y git zsh bash tmux vim python3 python3-pip curl inetutils-ping cmake less
                     ;;
                 "alpine" )
                     $SUDO apk update
@@ -261,4 +261,4 @@ while [[ $# > 0 ]]; do
     esac
     shift
 done
-$BIN
\ No newline at end of file
+$BIN
diff --git a/tools/ubuntu.sh b/tools/ubuntu.sh
index 1b0d33e..d15fbf8 100755
--- a/tools/ubuntu.sh
+++ b/tools/ubuntu.sh
@@ -17,7 +17,7 @@ apt_install()
     for i in {man-db,vim,ca-certificates}; do apt install $i -y; done
 
     # mass installation
-    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping openssh-client openssh-server htop gcc g++ cmake make zip
+    apt install git tmux zsh curl wget dialog net-tools dnsutils netcat traceroute sudo python3 python3-pip cron inetutils-ping openssh-client openssh-server htop gcc g++ cmake make zip less
     for i in {fzf,ripgrep}; do apt install $i -y; done
 }