diff --git a/.config/setup/21-install-rustup.sh b/.config/setup/21-install-rustup.sh
new file mode 100755
index 0000000..001f27c
--- /dev/null
+++ b/.config/setup/21-install-rustup.sh
@@ -0,0 +1,3 @@
+#! /usr/bin/sh
+
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y