diff --git a/flake.nix b/flake.nix
index ec37fdd..fe5100f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -149,7 +149,7 @@
         buildInputs = with pkgs; [
           # build dependencies
           packages.x86_64-linux.llvm-nac3
-          llvmPackages_14.clang  # demo
+          llvmPackages_14.clang llvmPackages_14.llvm.out  # for running nac3standalone demos
           packages.x86_64-linux.llvm-tools-irrt
           cargo
           rustc