diff --git a/UPDATE b/UPDATE
new file mode 100755
index 0000000..8634697
--- /dev/null
+++ b/UPDATE
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+cd $(dirname $BASH_SOURCE)
+
+git remote add upstream https://github.com/littlecodersh/ItChat.git
+git pull upstream master --no-edit