diff --git a/modules/nix.nix b/modules/nix.nix
index 291d80c..813c4b2 100644
--- a/modules/nix.nix
+++ b/modules/nix.nix
@@ -82,4 +82,8 @@ in
 
     AriaNg.overlay
   ];
+
+  environment.systemPackages = with pkgs; [
+    cached-nix-shell
+  ];
 }