@@ -49,7 +49,7 @@ Add `default.nix`:
4949# haskell.nix provides access to the nixpkgs pins which are used by our CI,
5050# hence you will be more likely to get cache hits when using these.
5151# But you can also just use your own, e.g. '<nixpkgs>'.
52−, nixpkgsSrc ? haskellNix.sources.nixpkgs-2003
52+, nixpkgsSrc ? haskellNix.sources.nixpkgs-2009
5353
5454# haskell.nix provides some arguments to be passed to nixpkgs, including some
5555# patches and also the haskell.nix functionality itself as an overlay.