diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml index 98689fb7a45..d84e530d174 100644 --- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml +++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml @@ -38,6 +38,8 @@ core-packages: - ghcjs-base-0 default-package-overrides: + # Newer versions require contravariant-1.5.*, which many builds refuse at the moment. + - base-compat-batteries ==0.10.1 # LTS Haskell 11.16 - abstract-deque ==0.3 - abstract-deque-tests ==0.3