diff --git a/flake.nix b/flake.nix
index 7348653..36b58cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,12 +91,14 @@
                 (with pkgs; [
                   binutils
                   bison
+                  clang
                   expect
                   flex
                   git
                   glibc.dev
                   gnumake
                   libxml2
+                  llvmPackages_8.llvm
                   qemu
                   tcl
                   which