diff --git a/devshell.nix b/devshell.nix
index d931f6d..bc34f5b 100644
--- a/devshell.nix
+++ b/devshell.nix
@@ -39,6 +39,7 @@ pkgs.mkShell {
     nixd
     systemd-lsp
     zellij
+    dua
   ];
 
   # Add environment variables