diff --git a/hosts/colmena/default.nix b/hosts/colmena/default.nix
index e3c08a2..aaed561 100644
--- a/hosts/colmena/default.nix
+++ b/hosts/colmena/default.nix
@@ -25,6 +25,7 @@
       just
       zellij
       openssl
+      nixfmt-rfc-style
     ];
 
     interactiveShellInit = ''