diff --git a/bin/setup-nix b/bin/setup-nix
new file mode 100755
--- /dev/null
+++ b/bin/setup-nix
@@ -0,0 +1,5 @@
+#!/bin/sh
+set -eu
+
+curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix |
+  sh -s -- install "$@"