diff --git a/overlay.nix b/overlay.nix
index ad8481a6ddbc8838c2b994bd8855668bbf2d1288..ebe18ffc5ed15e41deead7bf77adecbc056b538e 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -415,6 +415,8 @@ final: prev: with pkgs.haskell.lib; {
 
   vinyl = final.callHackage "vinyl" "0.14.3" { };
 
+  vty = prev.callHackage "vty" "5.37" { };
+
   wai-middleware-static = prev.callHackage "wai-middleware-static" "0.9.2" { };
 
   warp = dontCheck (prev.callHackage "warp" "3.3.22" { });