diff --git a/installs_and_builds/s03_shells b/installs_and_builds/s03_shells
new file mode 100644
index 0000000..6fcbba3
--- /dev/null
+++ b/installs_and_builds/s03_shells
@@ -0,0 +1,3 @@
+#!/bin/zsh
+
+${=BOX_SETUP_INSTALL_COMMAND} zsh