diff --git a/gendoc.sh b/gendoc.sh
index f851acd..61c01be 100755
--- a/gendoc.sh
+++ b/gendoc.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 (
 cat <<EOF
diff --git a/gents.sh b/gents.sh
index 4d142d9..75ff89c 100755
--- a/gents.sh
+++ b/gents.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 # generate new typescript client, only install it when it is different, so we
diff --git a/tsc.sh b/tsc.sh
index 827a242..42ea7ab 100755
--- a/tsc.sh
+++ b/tsc.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 # - todo: get tsc to not emit semicolons except for the handful cases where it is needed.