diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100755
index 0000000..3a43294
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+stash_ref=""
+cleanup() {
+  if [ -n "$stash_ref" ]; then
+    git stash pop --quiet "$stash_ref" || true
+  fi
+}
+trap cleanup EXIT
+
+if ! git diff --quiet || [ -n "$(git ls-files --others --exclude-standard)" ]; then
+  git stash push --keep-index --include-untracked --quiet --message "pre-commit: $(date +%s)"
+  stash_ref="stash@{0}"
+fi
+
+bin/rake