diff --git a/Makefile b/Makefile
index ac9b791e4..36995abc1 100644
--- a/Makefile
+++ b/Makefile
@@ -17,4 +17,4 @@ test-install:
 	HOME=$(shell mktemp -d) NIX_PATH=${NIX_PATH} nix-shell . -A install
 
 format:
-	nix-shell -p treefmt nixfmt-rfc-style deadnix keep-sorted --run "treefmt --config-file ./treefmt.toml"
+	nix-shell -p treefmt nixfmt deadnix keep-sorted --run "treefmt --config-file ./treefmt.toml"
diff --git a/flake.nix b/flake.nix
index 27ce59636..f9147c698 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,7 +54,7 @@
           pkgs:
           pkgs.treefmt.withConfig {
             runtimeInputs = with pkgs; [
-              nixfmt-rfc-style
+              nixfmt
               deadnix
               keep-sorted
             ];