diff --git a/flake.nix b/flake.nix
index eafa819..a79af06 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,6 +39,7 @@
         packages = with pkgs; [
           rust-toolchain
           pkg-config
+          rustfmt
           openssl
           glibc
           gtk3