diff --git a/flake.nix b/flake.nix
index 8d8b7c9..5e1f2e9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,6 +28,7 @@
                 cabal-fmt
                 ormolu;
             };
+            modifier = drv: with pkgs.haskell.lib; dontCheck drv;  # test/type-errors requires 9.2
           };
           ghc92 = {
             root = ./.;