diff --git a/flake.nix b/flake.nix
index 91f732c..d370e72 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,6 +35,8 @@
               ghc'
               hlint
               haskell-language-server
+
+              dhall-lsp-server
             ];
         };
       });