diff --git a/terraform/hydra.nix b/terraform/hydra.nix
index 15388cf..8ae27c5 100644
--- a/terraform/hydra.nix
+++ b/terraform/hydra.nix
@@ -55,7 +55,7 @@ in
         {
           name = "nixpkgs";
           type = "git";
-          value = "https://cl.forkos.org/nixpkgs sandbox/k900/experiments";
+          value = "https://github.com/nixos/nixpkgs 03ff49192b044786362c8c94d8501eac5c6eada4";
           notify_committers = false;
         }
         {