diff --git a/machines/gallifrey/home-julien.nix b/machines/gallifrey/home-julien.nix
index 6a96e3a..9c51314 100644
--- a/machines/gallifrey/home-julien.nix
+++ b/machines/gallifrey/home-julien.nix
@@ -114,6 +114,7 @@
         pyright
         nixfmt-rfc-style
         slack
+        haskell-language-server
       ]
       ++ builtins.filter lib.attrsets.isDerivation (builtins.attrValues pkgs.nerd-fonts);