diff --git a/gemrc b/gemrc
new file mode 100644
index 00000000..154cd47e
--- /dev/null
+++ b/gemrc
@@ -0,0 +1 @@
+gem: --no-document
diff --git a/install/_install.sh b/install/_install.sh
index 044d0888..365b526c 100755
--- a/install/_install.sh
+++ b/install/_install.sh
@@ -46,10 +46,12 @@ git submodule update
 # link the dotfiles
 ln -s ~/dotfiles/agignore ~/.agignore
 ln -s ~/dotfiles/editorconfig ~/.editorconfig
+ln -s ~/dotfiles/gemrc ~/.gemrc
 ln -s ~/dotfiles/gitconfig ~/.gitconfig
 ln -s ~/dotfiles/gitignore ~/.gitignore
 ln -s ~/dotfiles/hyperterm.js ~/.hyperterm.js
 ln -s ~/dotfiles/kwm ~/.kwm
+ln -s ~/dotfiles/ruby-version ~/.ruby-version
 ln -s ~/dotfiles/tmux.conf ~/.tmux.conf
 ln -s ~/dotfiles/vim ~/.vim
 ln -s ~/dotfiles/vimrc ~/.vimrc
diff --git a/ruby-version b/ruby-version
new file mode 100644
index 00000000..2bf1c1cc
--- /dev/null
+++ b/ruby-version
@@ -0,0 +1 @@
+2.3.1
diff --git a/zshrc b/zshrc
index e33c3a38..c2cd7780 100644
--- a/zshrc
+++ b/zshrc
@@ -70,3 +70,6 @@ eval "$(fasd --init auto)"
 # nvm
 export NVM_DIR="$HOME/.nvm"
 [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm
+
+# rbenv
+eval "$(rbenv init -)"