diff --git a/hydra/artiq.json b/hydra/artiq.json
index af4fe59..8230f19 100644
--- a/hydra/artiq.json
+++ b/hydra/artiq.json
@@ -30,7 +30,8 @@
         "inputs": {
             "nixpkgs": { "type": "git", "value": "git://github.com/NixOS/nixpkgs nixos-21.05", "emailresponsible": false },
             "nixScripts": { "type": "git", "value": "https://git.m-labs.hk/M-Labs/nix-scripts.git", "emailresponsible": false },
-            "use-generated": { "type": "boolean", "value": "false" }
+            "use-generated": { "type": "boolean", "value": "false" },
+            "artiq-fast": { "type": "sysbuild", "value": "artiq:fast-beta:generated-nix", "emailresponsible": false }
         }
     },