diff --git a/modules/base-tools.nix b/modules/base-tools.nix
index 9c26984..39328a0 100644
--- a/modules/base-tools.nix
+++ b/modules/base-tools.nix
@@ -34,5 +34,6 @@
     sysz
     iftop
     cert-viewer
+    ncdu
   ];
 }