diff --git a/overlay.nix b/overlay.nix
index 2b9f54ac920e60aa46f4e78590ead98dd4b70772..22f07844e35f0a52fb2a593958e788e1c1bd7d71 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -213,6 +213,8 @@ final: prev: with pkgs.haskell.lib; {
 
   lsp-types = prev.callHackage "lsp-types" "1.6.0.0" { };
 
+  lsp = prev.callHackage "lsp" "1.6.0.0" { };
+
   lucid = doJailbreak (prev.callHackage "lucid" "2.11.1" { });
 
   memory = prev.callCabal2nix "memory" inputs.memory { };