diff --git a/basic-tools.nix b/basic-tools.nix
index 7aec93b..1c9bf5c 100644
--- a/basic-tools.nix
+++ b/basic-tools.nix
@@ -40,6 +40,7 @@
     jq
     #b2sum
     strace
+    ncdu
   ];
 
   environment.variables.EDITOR = "${pkgs.neovim}/bin/nvim";