diff --git a/flake.nix b/flake.nix
index b31641e..4023022 100644
--- a/flake.nix
+++ b/flake.nix
@@ -60,6 +60,7 @@
           (rust.devShell { })
         ];
         packages = with pkgs; [
+          llvmPackages.libclang
           bacon
           ghcid
           rust-analyzer