diff --git a/flake.nix b/flake.nix
index d79a3c1..cba5051 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,6 +24,7 @@
                 packages = [
                   clang
                   acl
+                  xorg.libxcb
                   (pkgs.writeShellScriptBin "build" ''
                     go build -v -ldflags '-s -w -X main.Version=flake'
                   '')