diff --git a/flake/perSystem.nix b/flake/perSystem.nix
index 50ff793..ec63063 100644
--- a/flake/perSystem.nix
+++ b/flake/perSystem.nix
@@ -36,6 +36,7 @@
           typos-lsp
           just
           nvfetcher
+          nixfmt-rfc-style
         ];
       };
       legacyPackages =