diff --git a/hosts/jude/default.nix b/hosts/jude/default.nix
index c717d62..323e03a 100644
--- a/hosts/jude/default.nix
+++ b/hosts/jude/default.nix
@@ -34,6 +34,7 @@
 		imagemagick
 		libtheora
 		makemkv
+		nix-tree
 		oathToolkit
 		synology-drive-client
 		vagrant