1 files changed, 4 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/nixpkgs/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index aab26897cca4..7908066ebb59 100644
--- a/nixpkgs/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/nixpkgs/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -135,4 +135,8 @@ self: super: {
 
   # vector 0.12.2 indroduced doctest checks that don‘t work on older compilers
   vector = dontCheck super.vector;
+
+  # hackage-db 2.1.1 is incompatible with Cabal < 3.4
+  # See https://github.com/NixOS/cabal2nix/issues/501
+  hackage-db = super.hackage-db_2_1_0;
 }