diff --git a/.husky/pre-commit b/.husky/pre-commit
index d6f71e76..e32e31b1 100755
--- a/.husky/pre-commit
+++ b/.husky/pre-commit
@@ -1,22 +1,22 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 . "$(dirname -- "$0")/_/husky.sh"
 
 diff=$(git diff --cached --name-only)
 
-if echo "${diff}" | grep --quiet '^site/'; then
+if echo "${diff}" | grep -E --quiet '^site/'; then
   (cd site; yarn build)
 fi
 
-if echo "${diff}" | grep --quiet '^(packages/)|(lerna)|(package.json)|(yarn.lock)'; then
+if echo "${diff}" | grep -E --quiet '^(packages/)|(lerna)|(package.json)|(yarn.lock)'; then
   yarn
   yarn lint-staged
   yarn check-mismatches
 fi
 
-if echo "${diff}" | grep --quiet '^tunnel-server/'; then
+if echo "${diff}" | grep -E --quiet '^tunnel-server/'; then
   (cd tunnel-server; yarn lint && yarn build)
 fi
 
-if echo "${diff}" | grep --quiet '^README/'; then
+if echo "${diff}" | grep -E --quiet '^README/'; then
   npx awesome-lint
 fi