diff --git a/.github/workflows/scripts-testing.yml b/.github/workflows/scripts-testing.yml
index ec09c971..8a08bcd6 100644
--- a/.github/workflows/scripts-testing.yml
+++ b/.github/workflows/scripts-testing.yml
@@ -81,7 +81,7 @@ jobs:
           }
           if test "${current_os:?}" = 'Linux'; then PATH="${PATH:-/usr/bin}:${workspace_dir:?}/cache/shells/extracted/bosh/opt/schily/bin" || exit "${?}"; fi
           if diff 1> /dev/null 2>&1 -- "$(command -v 'sh' || :)" "$(command -v 'bash' || :)"; then SH_IS_BASH='true'; fi
-          if command 1> /dev/null -v 'apt-get'; then sudo apt-get -y -qq install 'mksh' 'yash' 'posh' 1> /dev/null; fi
+          if command 1> /dev/null -v 'apt-get'; then sudo apt-get -y -qq install 'busybox' 'mksh' 'yash' 'posh' 1> /dev/null; fi
           if command 1> /dev/null -v 'brew'; then brew 1> /dev/null install --quiet 'oils-for-unix' 'mksh' 'ksh93' 'yash'; fi
           if command 1> /dev/null -v 'choco'; then choco 1> /dev/null install 'busybox' -y --no-progress; fi
           #