diff --git a/nix/rust/toolchain.nix b/nix/rust/toolchain.nix
index d265b3a..8c5b83d 100644
--- a/nix/rust/toolchain.nix
+++ b/nix/rust/toolchain.nix
@@ -47,6 +47,7 @@
               extensions = [
                 "rust-src"
                 "rust-analyzer"
+                "llvm-tools"
               ];
             })
           ];