diff --git a/tvix/default.nix b/tvix/default.nix
index e12ff9522..8082a1315 100644
--- a/tvix/default.nix
+++ b/tvix/default.nix
@@ -91,6 +91,7 @@ in
     packages = [
       pkgs.buf-language-server
       pkgs.cargo
+      pkgs.cargo-machete
       pkgs.clippy
       pkgs.evans
       pkgs.fuse