diff --git a/backupscripts/15min_backup.sh b/backupscripts/15min_backup.sh
index f678b47..7f66711 100755
--- a/backupscripts/15min_backup.sh
+++ b/backupscripts/15min_backup.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 set -euo pipefail
 
 FILENAME="plexdb_15min_$(date -u +%FT%T).sqlite"
diff --git a/backupscripts/daily_backup.sh b/backupscripts/daily_backup.sh
index c7236ef..63b5ffb 100755
--- a/backupscripts/daily_backup.sh
+++ b/backupscripts/daily_backup.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 set -euo pipefail
 
 FILENAME="plexdb_daily_$(date -u +%FT%T).sqlite"
diff --git a/backupscripts/hourly_backup.sh b/backupscripts/hourly_backup.sh
index c2e3e7a..99f9da5 100755
--- a/backupscripts/hourly_backup.sh
+++ b/backupscripts/hourly_backup.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 set -euo pipefail
 
 FILENAME="plexdb_hourly_$(date -u +%FT%T).sqlite"
diff --git a/backupscripts/monthly_backup.sh b/backupscripts/monthly_backup.sh
index 92d7ecd..967ecf6 100755
--- a/backupscripts/monthly_backup.sh
+++ b/backupscripts/monthly_backup.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 set -euo pipefail
 
 FILENAME="plexdb_monthly_$(date -u +%FT%T).sqlite"
diff --git a/backupscripts/weekly_backup.sh b/backupscripts/weekly_backup.sh
index f9f6b77..4bdbe78 100755
--- a/backupscripts/weekly_backup.sh
+++ b/backupscripts/weekly_backup.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 set -euo pipefail
 
 FILENAME="plexdb_weekly_$(date -u +%FT%T).sqlite"