diff --git a/.switch-selfprivacy-nixos-config-url b/.switch-selfprivacy-nixos-config-url
new file mode 100755
index 0000000..8da40c1
--- /dev/null
+++ b/.switch-selfprivacy-nixos-config-url
@@ -0,0 +1,5 @@
+#! /usr/bin/env bash
+
+URL="${1:?no URL given}"
+
+nix flake metadata --json | jq -r '.locks.nodes."sp-modules".inputs | keys[]' | while read line; do nix flake lock --override-input selfprivacy-nixos-config "$URL" --override-input sp-modules/$line "${URL}&dir=sp-modules/$line"; done