diff --git a/flake.nix b/flake.nix
index 22114f7..4160260 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,7 @@
 
   outputs =
     {
+      self,
       nixpkgs,
       nixvim,
       disko,
@@ -74,5 +75,10 @@
             ) aarch64-linux-hosts
           )
         );
+      hydraJobs = {
+        inherit (self.nixosConfigurations)
+          x86_64-hosts
+          ;
+      };
     };
 }
diff --git a/servers/hydra.nix b/servers/hydra.nix
index 16de757..a0a7cff 100644
--- a/servers/hydra.nix
+++ b/servers/hydra.nix
@@ -16,6 +16,7 @@ in
       notificationSender = "hydra@sinerva.eu";
       port = 8080;
       useSubstitutes = true;
+      extraConfig = ''dynamic_run_command = enable'';
     };
 
     nginx.virtualHosts.${domain}.locations."/" = {
@@ -23,19 +24,26 @@ in
     };
   };
 
-  nix.buildMachines = [
-    {
-      hostName = "localhost";
-      protocol = null;
-      system = "x86_64-linux";
-      supportedFeatures = [
-        "kvm"
-        "nixos-test"
-        "big-parallel"
-        "benchmark"
-      ];
-      maxJobs = 6;
-    }
-  ];
+  nix = {
+    settings.allowed-uris = [
+      "github:"
+      "git+https://github.com/"
+      "git+ssh://github.com/"
+    ];
 
+    buildMachines = [
+      {
+        hostName = "localhost";
+        protocol = null;
+        system = "x86_64-linux";
+        supportedFeatures = [
+          "kvm"
+          "nixos-test"
+          "big-parallel"
+          "benchmark"
+        ];
+        maxJobs = 6;
+      }
+    ];
+  };
 }
diff --git a/spec.json b/spec.json
new file mode 100644
index 0000000..4aa271d
--- /dev/null
+++ b/spec.json
@@ -0,0 +1,15 @@
+{
+	"systems": {
+		"enabled": 1,
+		"hidden": false,
+		"description": "NixOS Systems",
+		"type": 1,
+		"flake": "git+https://forgejo.sinerva.eu/VSinerva/nixos-conf.git",
+		"checkinterval": 300,
+		"schedulingshares": 100,
+		"enableemail": false,
+		"enable_dynamic_run_command": false,
+		"emailoverride": "",
+		"keepnr": 2
+	}
+}