diff --git a/overlays/pkgSets.nix b/overlays/pkgSets.nix
index 44fecd6e..cff77eef 100644
--- a/overlays/pkgSets.nix
+++ b/overlays/pkgSets.nix
@@ -36,7 +36,7 @@ self: super: {
     inherit (self.haskellPackages) brittany ormolu releaser; # cabal-fmt;
     inherit (self)
       go gdb mpc_cli ncmpcpp shfmt htmlTidy astyle nodejs tasksh magic-wormhole
-      nixfmt stack ghcid rnix-lsp tmate rustup kitty ghc cabal-install;
+      nixfmt stack ghcid rnix-lsp tmate rustup kitty ghc cabal-install nix-top;
     obelisk = (import self.sources.obelisk { }).command;
   };
   accounting-pkgs = {