diff --git a/profiles/nixpkgs-dev.nix b/profiles/nixpkgs-dev.nix
index ee6bb04..bdd5735 100644
--- a/profiles/nixpkgs-dev.nix
+++ b/profiles/nixpkgs-dev.nix
@@ -14,6 +14,7 @@
     systemPackages = with pkgs; [
       bat                      #  A cat clone with syntax highlighting & Git integration
       cabal2nix                # Convert Cabal files into Nix build instructions
+      nixfmt                   # An opinionated formatter for Nix
       nix-prefetch-github      # Prefetch sources from github
       nix-prefetch-git         # Prefetch sources from git
       nix-review               # Review pull-requests on https://github.com/NixOS/nixpkgs