diff --git a/large-sw.nix b/large-sw.nix
index be10b10..e3e1f25 100644
--- a/large-sw.nix
+++ b/large-sw.nix
@@ -11,7 +11,9 @@
     jabref
     libreoffice
     #calibre https://github.com/NixOS/nixpkgs/pull/26201
+
     vscode
+    clang
 
     coq_8_6