diff --git a/_example/install.sh b/_example/install.sh
index d852e8d..b8f81e0 100644
--- a/_example/install.sh
+++ b/_example/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # shellcheck disable=SC2034
 # "'pkg_cmd_name' appears unused. Verify it or export it."
diff --git a/_vim-example/install.sh b/_vim-example/install.sh
index 93c6bf4..6200fe7 100644
--- a/_vim-example/install.sh
+++ b/_vim-example/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_example() {
     set -e
diff --git a/_webi/bootstrap.sh b/_webi/bootstrap.sh
index d9e20a3..d6d8973 100644
--- a/_webi/bootstrap.sh
+++ b/_webi/bootstrap.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #set -x
 
@@ -26,7 +26,7 @@ __install_webi() {
     mkdir -p "$HOME/.local/bin"
 
     cat << EOF > "$HOME/.local/bin/webi"
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/_webi/example_install_safe_copy.sh b/_webi/example_install_safe_copy.sh
index b3f2afa..4526c42 100644
--- a/_webi/example_install_safe_copy.sh
+++ b/_webi/example_install_safe_copy.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # For installing from the extracted package tmp directory
 pkg_install() {
     (
diff --git a/_webi/template.sh b/_webi/template.sh
index 3fb0363..bdb6e08 100644
--- a/_webi/template.sh
+++ b/_webi/template.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # shellcheck disable=2001
 # because I prefer to use sed rather than bash replace
diff --git a/arc/install.sh b/arc/install.sh
index 6217787..df3bbcb 100644
--- a/arc/install.sh
+++ b/arc/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/archiver/install.sh b/archiver/install.sh
index a28d95e..ebbcdb2 100644
--- a/archiver/install.sh
+++ b/archiver/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/awless/install.sh b/awless/install.sh
index 10751a2..2d4866d 100644
--- a/awless/install.sh
+++ b/awless/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # "This is too simple" you say! "Where is the magic!?" you ask.
 # There is no magic!
diff --git a/bat/install.sh b/bat/install.sh
index 4b552e7..4142850 100644
--- a/bat/install.sh
+++ b/bat/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/brew/install.sh b/brew/install.sh
index aa979d7..bb1dfb3 100644
--- a/brew/install.sh
+++ b/brew/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/caddy/install.sh b/caddy/install.sh
index 403402a..fc54839 100644
--- a/caddy/install.sh
+++ b/caddy/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # "This is too simple" you say! "Where is the magic!?" you ask.
 # There is no magic!
diff --git a/chromedriver/install.sh b/chromedriver/install.sh
index c54911a..e00922e 100644
--- a/chromedriver/install.sh
+++ b/chromedriver/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/comrak/install.sh b/comrak/install.sh
index bab856c..4f379b4 100644
--- a/comrak/install.sh
+++ b/comrak/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/curlie/install.sh b/curlie/install.sh
index adfeb8d..5af00cf 100644
--- a/curlie/install.sh
+++ b/curlie/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/dashmsg/install.sh b/dashmsg/install.sh
index dee6d87..451f83d 100644
--- a/dashmsg/install.sh
+++ b/dashmsg/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_dashmsg() {
     set -e
diff --git a/delta/install.sh b/delta/install.sh
index 065bc75..1bdfc43 100644
--- a/delta/install.sh
+++ b/delta/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/deno/install.sh b/deno/install.sh
index a4e9056..469f374 100644
--- a/deno/install.sh
+++ b/deno/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # The custom functions for Deno are here.
 # For the generic functions - version checks, download, extract, etc:
diff --git a/dotenv-linter/install.sh b/dotenv-linter/install.sh
index 3927383..528f627 100644
--- a/dotenv-linter/install.sh
+++ b/dotenv-linter/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/dotenv/install.sh b/dotenv/install.sh
index f98f3bf..e36ee9a 100644
--- a/dotenv/install.sh
+++ b/dotenv/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_dotenv() {
     set -e
diff --git a/fd/install.sh b/fd/install.sh
index 3dc1e28..c16f97e 100644
--- a/fd/install.sh
+++ b/fd/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ffmpeg/install.sh b/ffmpeg/install.sh
index 83ee19c..2d7ee7c 100644
--- a/ffmpeg/install.sh
+++ b/ffmpeg/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/fish/install.sh b/fish/install.sh
index 3662682..d487dc9 100644
--- a/fish/install.sh
+++ b/fish/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/flutter/install.sh b/flutter/install.sh
index 56c38ed..c00ac6c 100644
--- a/flutter/install.sh
+++ b/flutter/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/fzf/install.sh b/fzf/install.sh
index eda8180..cb1c4d0 100644
--- a/fzf/install.sh
+++ b/fzf/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gh/install.sh b/gh/install.sh
index 2ef8947..4f9d5e2 100644
--- a/gh/install.sh
+++ b/gh/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_gh() {
     set -e
diff --git a/git-config-gpg/git-config-gpg.sh b/git-config-gpg/git-config-gpg.sh
index c1d4669..fd9ef72 100644
--- a/git-config-gpg/git-config-gpg.sh
+++ b/git-config-gpg/git-config-gpg.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/git-config-gpg/install.sh b/git-config-gpg/install.sh
index f7a127b..e387807 100644
--- a/git-config-gpg/install.sh
+++ b/git-config-gpg/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/git-gpg-init/install.sh b/git-gpg-init/install.sh
index 5968bdb..7647c71 100644
--- a/git-gpg-init/install.sh
+++ b/git-gpg-init/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/git/install.sh b/git/install.sh
index 4cc28b5..512690f 100644
--- a/git/install.sh
+++ b/git/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gitdeploy/install.sh b/gitdeploy/install.sh
index 335fe99..987012d 100644
--- a/gitdeploy/install.sh
+++ b/gitdeploy/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_gitdeploy() {
     set -e
diff --git a/gitea/install.sh b/gitea/install.sh
index 91d030d..b9ec8f1 100644
--- a/gitea/install.sh
+++ b/gitea/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gnupg/install.sh b/gnupg/install.sh
index b54d7d9..dbddc6d 100644
--- a/gnupg/install.sh
+++ b/gnupg/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/go/install.sh b/go/install.sh
index 15cb5ba..364e240 100644
--- a/go/install.sh
+++ b/go/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/golang/install.sh b/golang/install.sh
index d170609..8101615 100644
--- a/golang/install.sh
+++ b/golang/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/goreleaser/install.sh b/goreleaser/install.sh
index ea8860d..eee84a4 100644
--- a/goreleaser/install.sh
+++ b/goreleaser/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gpg-pubkey/gpg-pubkey-id.sh b/gpg-pubkey/gpg-pubkey-id.sh
index d39f221..d3484b3 100644
--- a/gpg-pubkey/gpg-pubkey-id.sh
+++ b/gpg-pubkey/gpg-pubkey-id.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gpg-pubkey/gpg-pubkey.sh b/gpg-pubkey/gpg-pubkey.sh
index 060144c..7df3116 100755
--- a/gpg-pubkey/gpg-pubkey.sh
+++ b/gpg-pubkey/gpg-pubkey.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gpg-pubkey/install.sh b/gpg-pubkey/install.sh
index 772a979..50211ba 100644
--- a/gpg-pubkey/install.sh
+++ b/gpg-pubkey/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/gpg/install.sh b/gpg/install.sh
index 07e50c0..7d45523 100644
--- a/gpg/install.sh
+++ b/gpg/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/gprox/install.sh b/gprox/install.sh
index 79b3860..760fdd5 100644
--- a/gprox/install.sh
+++ b/gprox/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/hexyl/install.sh b/hexyl/install.sh
index 5c7909f..2df9695 100644
--- a/hexyl/install.sh
+++ b/hexyl/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/hugo/install.sh b/hugo/install.sh
index 3c32d61..434fa67 100644
--- a/hugo/install.sh
+++ b/hugo/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm-color-schemes/install.sh b/iterm-color-schemes/install.sh
index 77d29cf..938096f 100644
--- a/iterm-color-schemes/install.sh
+++ b/iterm-color-schemes/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm-themes/install.sh b/iterm-themes/install.sh
index bc017f6..77f5f5a 100644
--- a/iterm-themes/install.sh
+++ b/iterm-themes/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm-utils/install.sh b/iterm-utils/install.sh
index bc6b570..48d67c2 100644
--- a/iterm-utils/install.sh
+++ b/iterm-utils/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm/install.sh b/iterm/install.sh
index a6d25c4..97425de 100644
--- a/iterm/install.sh
+++ b/iterm/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm2-color-schemes/install.sh b/iterm2-color-schemes/install.sh
index 6e896ed..d6f916b 100644
--- a/iterm2-color-schemes/install.sh
+++ b/iterm2-color-schemes/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm2-themes/install.sh b/iterm2-themes/install.sh
index b21a83d..1ba2a7b 100644
--- a/iterm2-themes/install.sh
+++ b/iterm2-themes/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -u
 set -e
 
diff --git a/iterm2-utils/install.sh b/iterm2-utils/install.sh
index 918d3c6..c9b8b78 100644
--- a/iterm2-utils/install.sh
+++ b/iterm2-utils/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/iterm2/install.sh b/iterm2/install.sh
index 94ee40a..c3f6de8 100644
--- a/iterm2/install.sh
+++ b/iterm2/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/jq/install.sh b/jq/install.sh
index 86cd67c..3f366da 100644
--- a/jq/install.sh
+++ b/jq/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/jshint/install.sh b/jshint/install.sh
index b296ef4..f197d18 100644
--- a/jshint/install.sh
+++ b/jshint/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/k9s/install.sh b/k9s/install.sh
index 5f83b64..6a97fa8 100644
--- a/k9s/install.sh
+++ b/k9s/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/keypairs/install.sh b/keypairs/install.sh
index 9c84d22..79a7f28 100644
--- a/keypairs/install.sh
+++ b/keypairs/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_keypairs() {
     set -e
diff --git a/kind/install.sh b/kind/install.sh
index 6428be1..6f73e0a 100644
--- a/kind/install.sh
+++ b/kind/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_kind() {
     set -e
diff --git a/kubectx/install.sh b/kubectx/install.sh
index a06550b..8a8de56 100644
--- a/kubectx/install.sh
+++ b/kubectx/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/kubens/install.sh b/kubens/install.sh
index b1c2b64..bdb24dd 100644
--- a/kubens/install.sh
+++ b/kubens/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/lf/install.sh b/lf/install.sh
index a815588..d73a89f 100644
--- a/lf/install.sh
+++ b/lf/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_lf() {
     set -e
diff --git a/lsd/install.sh b/lsd/install.sh
index 43fa8ff..7bb05d5 100644
--- a/lsd/install.sh
+++ b/lsd/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/macos/install.sh b/macos/install.sh
index 004a722..f5ef470 100644
--- a/macos/install.sh
+++ b/macos/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/mutagen/install.sh b/mutagen/install.sh
index 4f1871e..0a2361a 100644
--- a/mutagen/install.sh
+++ b/mutagen/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_mutagen() {
     set -e
diff --git a/myip/install.sh b/myip/install.sh
index 16eb392..914629f 100644
--- a/myip/install.sh
+++ b/myip/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/myip/myip.sh b/myip/myip.sh
index 9eb07ad..481825e 100644
--- a/myip/myip.sh
+++ b/myip/myip.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __show_my_ip() {
     set -u
diff --git a/nerd-font/install.sh b/nerd-font/install.sh
index 55b4d71..c85f3d5 100644
--- a/nerd-font/install.sh
+++ b/nerd-font/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/nerd-fonts/install.sh b/nerd-fonts/install.sh
index f3fb0f0..ef90485 100644
--- a/nerd-fonts/install.sh
+++ b/nerd-fonts/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/nerdfont/install.sh b/nerdfont/install.sh
index 51331c2..b335fd4 100644
--- a/nerdfont/install.sh
+++ b/nerdfont/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_nerdfont() {
     set -e
diff --git a/nerdfonts/install.sh b/nerdfonts/install.sh
index f3fb0f0..ef90485 100644
--- a/nerdfonts/install.sh
+++ b/nerdfonts/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/node/install.sh b/node/install.sh
index a774e57..9381dde 100644
--- a/node/install.sh
+++ b/node/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # "This is too simple" you say! "Where is the magic!?" you ask.
 # There is no magic!
diff --git a/ots/install.sh b/ots/install.sh
index 1b8dcde..2e8cbc1 100644
--- a/ots/install.sh
+++ b/ots/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # shellcheck disable=SC2034
 # "'pkg_cmd_name' appears unused. Verify it or export it."
diff --git a/pandoc/install.sh b/pandoc/install.sh
index 02f44cb..3cfa972 100644
--- a/pandoc/install.sh
+++ b/pandoc/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/pathman/install.sh b/pathman/install.sh
index 66ea5a1..b594c95 100644
--- a/pathman/install.sh
+++ b/pathman/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/postgres/install.sh b/postgres/install.sh
index 453f05a..15b28ef 100644
--- a/postgres/install.sh
+++ b/postgres/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/postgresql/install.sh b/postgresql/install.sh
index 12de68e..31686cf 100644
--- a/postgresql/install.sh
+++ b/postgresql/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/powershell/install.sh b/powershell/install.sh
index df35866..0d19677 100644
--- a/powershell/install.sh
+++ b/powershell/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/prettier/install.sh b/prettier/install.sh
index dd5a783..b3e5a02 100644
--- a/prettier/install.sh
+++ b/prettier/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/pwsh/install.sh b/pwsh/install.sh
index 443236e..c20cd3c 100644
--- a/pwsh/install.sh
+++ b/pwsh/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/pyenv/install.sh b/pyenv/install.sh
index 774fb95..42acc69 100644
--- a/pyenv/install.sh
+++ b/pyenv/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_pyenv() {
     set -e
diff --git a/python/install.sh b/python/install.sh
index 1839afe..9e423ef 100644
--- a/python/install.sh
+++ b/python/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/python2/install.sh b/python2/install.sh
index 20e65d8..164f374 100644
--- a/python2/install.sh
+++ b/python2/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/python3/install.sh b/python3/install.sh
index 9601664..15477bd 100644
--- a/python3/install.sh
+++ b/python3/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -u
diff --git a/rclone/install.sh b/rclone/install.sh
index 1b9e4b2..ec9dcf3 100644
--- a/rclone/install.sh
+++ b/rclone/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_rclone() {
     set -e
diff --git a/rg/install.sh b/rg/install.sh
index f247ef8..4cec639 100644
--- a/rg/install.sh
+++ b/rg/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ripgrep/install.sh b/ripgrep/install.sh
index e557046..66e6754 100644
--- a/ripgrep/install.sh
+++ b/ripgrep/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/rust/install.sh b/rust/install.sh
index dcbb597..96aa6d5 100644
--- a/rust/install.sh
+++ b/rust/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/rustlang/install.sh b/rustlang/install.sh
index b8f36f0..58e97ee 100644
--- a/rustlang/install.sh
+++ b/rustlang/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/sass/install.sh b/sass/install.sh
index a54e183..2c0b993 100644
--- a/sass/install.sh
+++ b/sass/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_sass() {
     set -e
diff --git a/sclient/install.sh b/sclient/install.sh
index b35b3aa..6126444 100644
--- a/sclient/install.sh
+++ b/sclient/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_sclient() {
     set -e
diff --git a/sd/install.sh b/sd/install.sh
index ba75eb5..cfebc75 100644
--- a/sd/install.sh
+++ b/sd/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/serviceman/install.sh b/serviceman/install.sh
index 79f8c79..7422b48 100644
--- a/serviceman/install.sh
+++ b/serviceman/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_serviceman() {
     set -e
diff --git a/setcap-netbind/install.sh b/setcap-netbind/install.sh
index 091e831..69797f9 100644
--- a/setcap-netbind/install.sh
+++ b/setcap-netbind/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/setcap-netbind/setcap-netbind.sh b/setcap-netbind/setcap-netbind.sh
index ae756af..512721e 100644
--- a/setcap-netbind/setcap-netbind.sh
+++ b/setcap-netbind/setcap-netbind.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/shellcheck/install.sh b/shellcheck/install.sh
index 14243e8..36984c2 100644
--- a/shellcheck/install.sh
+++ b/shellcheck/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_shellcheck() {
     set -e
diff --git a/shfmt/install.sh b/shfmt/install.sh
index 7e79c3f..a4312f5 100644
--- a/shfmt/install.sh
+++ b/shfmt/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-adduser/install.sh b/ssh-adduser/install.sh
index 8d91b07..bd7970c 100644
--- a/ssh-adduser/install.sh
+++ b/ssh-adduser/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-adduser/ssh-adduser.sh b/ssh-adduser/ssh-adduser.sh
index 2dfe094..567285d 100644
--- a/ssh-adduser/ssh-adduser.sh
+++ b/ssh-adduser/ssh-adduser.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-pubkey/install.sh b/ssh-pubkey/install.sh
index 45311ee..8795fa4 100644
--- a/ssh-pubkey/install.sh
+++ b/ssh-pubkey/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-pubkey/ssh-pubkey.sh b/ssh-pubkey/ssh-pubkey.sh
index 0ce28ab..84e47da 100644
--- a/ssh-pubkey/ssh-pubkey.sh
+++ b/ssh-pubkey/ssh-pubkey.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-setpass/install.sh b/ssh-setpass/install.sh
index 456c222..4140499 100644
--- a/ssh-setpass/install.sh
+++ b/ssh-setpass/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-setpass/ssh-setpass.sh b/ssh-setpass/ssh-setpass.sh
index 1bdd70b..db6c128 100644
--- a/ssh-setpass/ssh-setpass.sh
+++ b/ssh-setpass/ssh-setpass.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ssh-utils/install.sh b/ssh-utils/install.sh
index 29f3b19..c24989e 100644
--- a/ssh-utils/install.sh
+++ b/ssh-utils/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/sudo/install.sh b/sudo/install.sh
index f3df031..671a1f4 100644
--- a/sudo/install.sh
+++ b/sudo/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/syncthing/install.sh b/syncthing/install.sh
index 63f34fd..4b3f95e 100644
--- a/syncthing/install.sh
+++ b/syncthing/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_syncthing() {
     set -e
diff --git a/test/install.sh b/test/install.sh
index ec08f9f..e17b701 100644
--- a/test/install.sh
+++ b/test/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/vim-ale/install.sh b/vim-ale/install.sh
index c22e900..ac50d95 100644
--- a/vim-ale/install.sh
+++ b/vim-ale/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #shellcheck disable=SC1003
 
diff --git a/vim-beyondcode/install.sh b/vim-beyondcode/install.sh
index bff6afa..0c517d0 100644
--- a/vim-beyondcode/install.sh
+++ b/vim-beyondcode/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/vim-devicons/install.sh b/vim-devicons/install.sh
index b411110..abb36a5 100644
--- a/vim-devicons/install.sh
+++ b/vim-devicons/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_devicons() {
     set -e
diff --git a/vim-essentials/install.sh b/vim-essentials/install.sh
index f4c3cb4..943bea3 100644
--- a/vim-essentials/install.sh
+++ b/vim-essentials/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/vim-go/install.sh b/vim-go/install.sh
index 09f361d..f7f5464 100644
--- a/vim-go/install.sh
+++ b/vim-go/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_go() {
     set -e
diff --git a/vim-gui/install.sh b/vim-gui/install.sh
index ba0d0f6..9a0453d 100644
--- a/vim-gui/install.sh
+++ b/vim-gui/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_mouse() {
     set -e
diff --git a/vim-lastplace/install.sh b/vim-lastplace/install.sh
index 721d667..339fe96 100644
--- a/vim-lastplace/install.sh
+++ b/vim-lastplace/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_lastplace() {
     set -e
diff --git a/vim-leader/install.sh b/vim-leader/install.sh
index a610fc3..2d1a8b5 100644
--- a/vim-leader/install.sh
+++ b/vim-leader/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_leader() {
     set -e
diff --git a/vim-nerdtree/install.sh b/vim-nerdtree/install.sh
index 47b29e0..b008714 100644
--- a/vim-nerdtree/install.sh
+++ b/vim-nerdtree/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_nerdtree() {
     set -e
diff --git a/vim-prettier/install.sh b/vim-prettier/install.sh
index cae6c5e..d26c6a1 100644
--- a/vim-prettier/install.sh
+++ b/vim-prettier/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_prettier() {
     set -e
diff --git a/vim-rust/install.sh b/vim-rust/install.sh
index 2e257a4..f342457 100644
--- a/vim-rust/install.sh
+++ b/vim-rust/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_rust() {
     set -e
diff --git a/vim-sensible/install.sh b/vim-sensible/install.sh
index 993f4cb..538d13c 100644
--- a/vim-sensible/install.sh
+++ b/vim-sensible/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_sensible() {
     set -e
diff --git a/vim-shell/install.sh b/vim-shell/install.sh
index 3e38d6f..92b950e 100644
--- a/vim-shell/install.sh
+++ b/vim-shell/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_shell() {
     set -e
diff --git a/vim-shfmt/install.sh b/vim-shfmt/install.sh
index f894383..350b6a2 100644
--- a/vim-shfmt/install.sh
+++ b/vim-shfmt/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_shfmt() {
     set -e
diff --git a/vim-spell/install.sh b/vim-spell/install.sh
index 9fb06f3..b9b56a9 100644
--- a/vim-spell/install.sh
+++ b/vim-spell/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_spell() {
     set -e
diff --git a/vim-syntastic/install.sh b/vim-syntastic/install.sh
index 4205253..2eee688 100644
--- a/vim-syntastic/install.sh
+++ b/vim-syntastic/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_syntastic() {
     set -e
diff --git a/vim-viminfo/install.sh b/vim-viminfo/install.sh
index fc37132..c9f38fc 100644
--- a/vim-viminfo/install.sh
+++ b/vim-viminfo/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_viminfo() {
     set -e
diff --git a/vim-whitespace/install.sh b/vim-whitespace/install.sh
index 724e85a..cf610fd 100644
--- a/vim-whitespace/install.sh
+++ b/vim-whitespace/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_vim_whitespace() {
     set -e
diff --git a/vps-addswap/install.sh b/vps-addswap/install.sh
index 756e36b..deec04c 100644
--- a/vps-addswap/install.sh
+++ b/vps-addswap/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/vps-utils/install.sh b/vps-utils/install.sh
index b465359..7508005 100644
--- a/vps-utils/install.sh
+++ b/vps-utils/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/watchexec/install.sh b/watchexec/install.sh
index 9ccbf92..98255c0 100644
--- a/watchexec/install.sh
+++ b/watchexec/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/webi/install.sh b/webi/install.sh
index b9079e5..75cfed9 100644
--- a/webi/install.sh
+++ b/webi/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Note: 'webi' is a special case. It's actually just a helper utility that comes with every installer.
 #       See https://github.com/webinstall/packages/blob/master/_webi/bootstrap.sh for the source.
diff --git a/wsl/install.sh b/wsl/install.sh
index cf494a9..18ac457 100644
--- a/wsl/install.sh
+++ b/wsl/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/wsl1/install.sh b/wsl1/install.sh
index 4128fba..93ce6b7 100644
--- a/wsl1/install.sh
+++ b/wsl1/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/wsl2/install.sh b/wsl2/install.sh
index 0daaa7b..b0e8ecd 100644
--- a/wsl2/install.sh
+++ b/wsl2/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/xz/install.sh b/xz/install.sh
index d374a33..82a0996 100644
--- a/xz/install.sh
+++ b/xz/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/yq/install.sh b/yq/install.sh
index b1a89a7..6edbcd1 100644
--- a/yq/install.sh
+++ b/yq/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/zig/install.sh b/zig/install.sh
index 7c96004..bb0b58f 100644
--- a/zig/install.sh
+++ b/zig/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # shellcheck disable=SC2034
 # "'pkg_cmd_name' appears unused. Verify it or export it."
diff --git a/zig/zig-create-crossies.sh b/zig/zig-create-crossies.sh
index 859bd2b..f0e2f5b 100755
--- a/zig/zig-create-crossies.sh
+++ b/zig/zig-create-crossies.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/ziglang/install.sh b/ziglang/install.sh
index 59358aa..3f007ae 100644
--- a/ziglang/install.sh
+++ b/ziglang/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 set -e
 set -u
 
diff --git a/zoxide/install.sh b/zoxide/install.sh
index 1256ab9..8bae4bb 100644
--- a/zoxide/install.sh
+++ b/zoxide/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 __init_zoxide() {
     set -e