diff --git a/hosts/hydra/hydra.nix b/hosts/hydra/hydra.nix
index 48cefa95..8dbd1f5d 100644
--- a/hosts/hydra/hydra.nix
+++ b/hosts/hydra/hydra.nix
@@ -20,10 +20,13 @@
             ];
           };
           extraOptions = ''
+            allowed-uris = https://gitea.c3d2.de/ https://github.com/ ssh://gitea@gitea.c3d2.de/
             experimental-features = ca-derivations nix-command flakes
           '';
         };
 
+        nixpkgs.overlays = [ (import ../../overlay) ];
+
         services = {
           hydra-dev = lib.recursiveUpdate config.services.hydra-dev {
             hydraURL = "https://hydra-ca.hq.c3d2.de";