diff --git a/package.json b/package.json
index f0f62f3..bf52df7 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "dev": "slidev decks/demo/slides.md",
     "dev:demo": "slidev decks/demo/slides.md",
     "dev:showcase": "slidev decks/showcase/slides.md",
-    "build": "bash scripts/build.sh",
+    "build": "sh scripts/build.sh",
     "build:demo": "slidev build decks/demo/slides.md --base /demo/ --out dist/demo",
     "build:showcase": "slidev build decks/showcase/slides.md --base /showcase/ --out dist/showcase",
     "serve": "pnpm run build && pnpm exec serve dist -l 3030",
diff --git a/scripts/build.sh b/scripts/build.sh
index df6c5d2..053d98c 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
-set -euo pipefail
+#!/bin/sh
+set -eu
 
 ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 DIST="$ROOT/dist"