diff --git a/.version.sh b/.version.sh
index 14adccbf..e7f823cd 100755
--- a/.version.sh
+++ b/.version.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 read -r firstline < .VERSION
 last_half="${firstline##*tag: }"
 if [[ ${last_half::1} == "v" ]]; then