diff --git a/bin/nix-build-and-cache b/bin/nix-build-and-cache
index 42c3770..5b22b85 100755
--- a/bin/nix-build-and-cache
+++ b/bin/nix-build-and-cache
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 set -euo pipefail