diff --git a/nix/nixpkgs.nix b/nix/nixpkgs.nix
index 94510991..97af016e 100644
--- a/nix/nixpkgs.nix
+++ b/nix/nixpkgs.nix
@@ -5,7 +5,7 @@ let

     # Nix tooling
     niv = (import sources.niv {}).niv;
-    gitignore = import sources.gitignore {};
+    gitignore = import sources.gitignore { lib = pkgs.lib; };

     # Haskell overrides
     haskellPackages = pkgs.haskellPackages.override {