diff --git a/tools/install-git-hooks.sh b/tools/install-git-hooks.sh
new file mode 100755
index 0000000..4823160
--- /dev/null
+++ b/tools/install-git-hooks.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+
+set -eu
+cd "$(dirname "$(realpath "$0")")/.."
+
+echo "#!/bin/sh
+set -eu
+./tools/readme.go > README.md
+git add README.md
+" >.git/hooks/pre-commit
+chmod +x .git/hooks/pre-commit