diff --git a/unstable.nix b/unstable.nix
index caba350..a739384 100644
--- a/unstable.nix
+++ b/unstable.nix
@@ -10,5 +10,6 @@ in
 {
   environment.systemPackages = with pkgs; [
     unstable.rustc
+    unstable.just
   ];
 }