diff --git a/scripts/wasabi_program.sh b/scripts/wasabi_program.sh
index 41e2e35..37feac6 100755
--- a/scripts/wasabi_program.sh
+++ b/scripts/wasabi_program.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Updates the specified program manifest to a new archive and version
 # and uploads the new archive and manifest to S3/Wasabi.
 #