diff --git a/tools/update_seccomp.sh b/tools/update_seccomp.sh
index d108e35..b9e53aa 100755
--- a/tools/update_seccomp.sh
+++ b/tools/update_seccomp.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 cd $DIR/..
 ./libc/tools/genseccomp.py