diff --git a/dotfiles/gitconfig b/dotfiles/gitconfig
index bd2cc4b..1f61ffe 100644
--- a/dotfiles/gitconfig
+++ b/dotfiles/gitconfig
@@ -51,3 +51,5 @@
 [url "git@gist.github.com:"]
 	pushInsteadOf = "gist:"
 	pushInsteadOf = "git://gist.github.com/"
+[credential]
+	helper = cache --timeout=36000
diff --git a/dotfiles/zshrc b/dotfiles/zshrc
index 7917eda..f85107e 100644
--- a/dotfiles/zshrc
+++ b/dotfiles/zshrc
@@ -31,7 +31,7 @@ if [ -d $HOME/.oh-my-zsh ] ; then
   ZSH=$HOME/.oh-my-zsh
   ZSH_THEME="matir"
   ZSH_CUSTOM="$HOME/.zsh_custom"
-  plugins=(git encode64 gpg-agent pep8 pip python tmux urltools extract sudo virsh virtualenv)
+  plugins=(git encode64 gpg-agent pep8 pip python tmux urltools extract sudo virsh virtualenv command-not-found)
   source $ZSH/oh-my-zsh.sh
   unset ZSH_THEME
   unset ZSH_CUSTOM