diff --git a/deploy.sh b/deploy.sh
new file mode 100755
index 0000000..dfddf8e
--- /dev/null
+++ b/deploy.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+cd "$(dirname "$0")"
+
+# Reset any previously stamped files so git pull succeeds cleanly
+git checkout -- index.html sw.js
+
+git pull
+
+V=$(git rev-parse --short HEAD)
+
+# Stamp asset query strings in index.html
+sed -i 's|href="style\.css[^"]*"|href="style.css?v='"$V"'"|' index.html
+sed -i 's|src="script\.js[^"]*"|src="script.js?v='"$V"'"|' index.html
+
+# Bump service worker cache name
+sed -i "s/status-poster-v[^']*/status-poster-$V/" sw.js
+
+echo "Deployed $V"