diff --git a/flake.nix b/flake.nix
index 9260c98..0dab855 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,14 +32,19 @@
       in
         pkgs.mkShell {
           buildInputs = with pkgs; [
+            # Dhall (config) stuff
             dhall
+            dhall-lsp-server
+            # Rust!
             (rust-bin.stable.latest.default.override {
               extensions = ["rls"];
             })
+            # Build requirements
             pkg-config
             libusb
             openssl
-            dhall-lsp-server
+            # Utils
+            mosquitto  # So we can poke mqtt
           ];
         };
       formatter = pkgs.alejandra;