diff --git a/shell.nix b/shell.nix
index b0cc653..dd3c43c 100644
--- a/shell.nix
+++ b/shell.nix
@@ -3,6 +3,6 @@ let
 in
 pkgs.mkShell {
   buildInputs = with pkgs; with xorg; [
-    libX11 libXinerama libXft
+    libX11 libXinerama libXft clang-tools
   ];
 }