diff --git a/flake.nix b/flake.nix
index 1deeff3..6075db9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,6 +27,7 @@
 
                     buildInputs = with pkgs; [
                         curl.dev
+                        xorg.libX11.dev
                     ];
                 };
             }