diff --git a/.lib/stubs/just b/.lib/stubs/just
--- a/.lib/stubs/just
+++ b/.lib/stubs/just
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -eu
 
+nix_ref='nixpkgs#just'
+
 install_it() {
   bina_install "casey/just"
   # cargo install just