diff --git a/packages.nix b/packages.nix
index d0274f8..d3081e9 100644
--- a/packages.nix
+++ b/packages.nix
@@ -38,6 +38,7 @@ let
     shellcheck
     plantuml
     rnix-lsp
+    clang-tools
     texlive.combined.scheme-full
   ];