diff --git a/update-app.sh b/update-app.sh
new file mode 100755
index 0000000..c4c6e3a
--- /dev/null
+++ b/update-app.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+if [ $# -eq 0 ]
+  then
+	echo "usage: ./update-app.sh \$app"
+	exit 0
+fi
+
+APP=$1
+
+cd ~/wp-content/plugins
+wget https://downloads.wordpress.org/plugin/$APP.zip
+rm -rf $APP
+unzip $APP.zip
+