diff --git a/flake.nix b/flake.nix
index a8ddc46..587d712 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,6 +44,7 @@
           file
           htop-vim
           tldr
+          tree
           # ^ useful dev/everyday tools
 
           # tools for aliases, etc.