diff --git a/install.sh b/install.sh
index 2aab8cb..d8009ec 100755
--- a/install.sh
+++ b/install.sh
@@ -16,7 +16,7 @@ install_homebrew() {
 install_shared_applications() {
   brew install direnv fzf git stow the_silver_searcher tmux \
     vim zsh rbenv ruby-build tfenv nodenv node-build tig libpq gnupg llvm \
-    awscli cmake jq watch gh nvim
+    awscli cmake jq watch gh nvim openssl@1.1 openssl@3 readline libyaml gmp
 
   install_alacritty_terminfo
   install_rust
@@ -87,7 +87,7 @@ install_linux() {
 
   packages="build-essential procps curl file git cmake pkg-config\
     libfreetype6-dev libfontconfig1-dev libxcb-xfixes0-dev\
-    libxkbcommon-dev python3"
+    libxkbcommon-dev python3 libssl-dev xclip"
   dpkg -s $packages >/dev/null 2>&1 \
     || sudo apt-get install --assume-yes $packages
 
diff --git a/ruby_with_openssl3.sh b/ruby_with_openssl3.sh
new file mode 100755
index 0000000..97942f3
--- /dev/null
+++ b/ruby_with_openssl3.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+if [ $# -ne a]; then
+  echo Specify Ruby version
+  exit
+fi
+
+major=$(echo $1 | cut -d. -f1)
+minor=$(echo $1 | cut -d. -f2)
+patch=$(echo $1 | cut -d. -f3)
+
+PATH="/home/linuxbrew/.linuxbrew/opt/openssl@3/bin:$PATH" \
+  LDFLAGS="-L/home/linuxbrew/.linuxbrew/opt/openssl@3/lib" \
+  CPPFLAGS="-I/home/linuxbrew/.linuxbrew/opt/openssl@3/include" \
+  PKG_CONFIG_PATH="/home/linuxbrew/.linuxbrew/opt/openssl@3/lib/pkgconfig" \
+  rbenv install $1
diff --git a/tmux/.config/tmux/tmux.conf b/tmux/.config/tmux/tmux.conf
index e620262..2925b62 100644
--- a/tmux/.config/tmux/tmux.conf
+++ b/tmux/.config/tmux/tmux.conf
@@ -1,7 +1,7 @@
 bind-key r source-file ~/.config/tmux/tmux.conf \; display-message " ✱ tmux.conf is reloaded"
 
-set -g default-terminal "xterm-256color"
-set -ag terminal-overrides ",alacritty:RGB"
+set -g default-terminal "tmux-256color"
+set -sa terminal-overrides ",xterm-256color:RGB"
 
 # for muxception
 bind-key b send-prefix
@@ -37,3 +37,6 @@ bind h select-pane -L                   # left pane
 bind j select-pane -D                   # bottom pane
 bind k select-pane -U                   # top pane
 bind l select-pane -R                   # right pane
+
+# neovim
+set-option -g focus-events on