diff --git a/functions.zsh b/functions.zsh
index d0c24e9..e3891f6 100644
--- a/functions.zsh
+++ b/functions.zsh
@@ -32,6 +32,10 @@ function uninstall_oh_my_zsh() {
   /bin/sh $ZSH/tools/uninstall.sh
 }
 
+function upgrade_oh_my_zsh() {
+  /bin/sh $ZSH/tools/upgrade.sh
+}
+
 function tab() {
   osascript 2>/dev/null <<EOF
     tell application "System Events"
diff --git a/tools/upgrade.sh b/tools/upgrade.sh
new file mode 100644
index 0000000..fa07daa
--- /dev/null
+++ b/tools/upgrade.sh
@@ -0,0 +1,5 @@
+current_path=`pwd`
+echo "Upgrading Oh My Zsh"
+( cd $ZSH && git pull origin master )
+echo "Done."
+cd $current_path
\ No newline at end of file