diff --git a/rust_environment/shell.nix b/rust_environment/shell.nix
index 6255daf..cd7a9b2 100644
--- a/rust_environment/shell.nix
+++ b/rust_environment/shell.nix
@@ -4,6 +4,7 @@ pkgs.mkShell {
   buildInputs = with pkgs; [
     cargo
     rustc
+    rustfmt
   ];
   shellHook = ''
     function log_header {