diff --git a/dotfiles/config/taffybar/flake.nix b/dotfiles/config/taffybar/flake.nix
index c74cb344..f535787a 100644
--- a/dotfiles/config/taffybar/flake.nix
+++ b/dotfiles/config/taffybar/flake.nix
@@ -214,7 +214,9 @@
         devShell = hpkgs.shellFor {
           packages = p: [ p.imalison-taffybar p.taffybar ];
           nativeBuildInputs = (with hpkgs; [
+            alex
             cabal-install
+            happy
             # ghcid ormolu implicit-hie haskell-language-server hlint
           ]) ++ [
             pkgs.gdk-pixbuf
diff --git a/dotfiles/config/taffybar/taffybar b/dotfiles/config/taffybar/taffybar
index f892d1bf..173b9991 160000
--- a/dotfiles/config/taffybar/taffybar
+++ b/dotfiles/config/taffybar/taffybar
@@ -1 +1 @@
-Subproject commit f892d1bfba46781d2156d7927477ce6fc4a6b775
+Subproject commit 173b999172dee36758e79be60ce6920c80c3b5d1