diff --git a/krops.nix b/krops.nix
index b81d214..30ad366 100644
--- a/krops.nix
+++ b/krops.nix
@@ -18,6 +18,7 @@ let
       nixpkgs.git = {
         ref = (importJson ./nixpkgs.json).rev;
         url = https://github.com/NixOS/nixpkgs;
+        shallow = true;
       };
     }
   ];