diff --git a/jobsets.nix b/jobsets.nix
index 25ebfd6..3039b64 100644
--- a/jobsets.nix
+++ b/jobsets.nix
@@ -115,7 +115,7 @@ let
       nixexprpath = "hail.nix";
       gitUrls = {
         nix-config = "https://gitea.c3d2.de/C3D2/nix-config.git";
-        nixpkgs = "https://github.com/nixos/nixpkgs.git";
+        yggdrasil-package-nix = "https://github.com/ehmry/yggdrasil-package-nix.git";
       };
     };
   };