diff --git a/flake.nix b/flake.nix
index 2addf20..a60e11e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,6 +37,7 @@
           runtimeInputs = with pkgs; [
             nixfmt-rfc-style
             nodePackages.prettier
+            rustfmt
           ];
           settings = {
             tree-root-file = ".git/index";
@@ -45,6 +46,14 @@
                 command = "nixfmt";
                 includes = [ "*.nix" ];
               };
+              rustfmt = {
+                command = "rustfmt";
+                options = [
+                  "--edition"
+                  "2018"
+                ];
+                includes = [ "*.rs" ];
+              };
               prettier = {
                 command = "prettier";
                 options = [ "--write" ];