diff --git a/hosts/electra/services/hydra.nix b/hosts/electra/services/hydra.nix
index c67fe0d7..6f5d28c0 100644
--- a/hosts/electra/services/hydra.nix
+++ b/hosts/electra/services/hydra.nix
@@ -71,6 +71,7 @@ in
           }
         ])
       ];
+      extraEnv = { HYDRA_DISALLOW_UNFREE = "0"; };
     };
     nginx.virtualHosts = {
       "hydra.m7.rs" = {