diff --git a/hydra/spec.json b/hydra/spec.json
index 7e5f3bb..10b2e2c 100644
--- a/hydra/spec.json
+++ b/hydra/spec.json
@@ -12,7 +12,7 @@
     "inputs": {
         "nix-packages": {
             "type": "git",
-            "value": "https://git.chir.rs/darkkirb/nix-packages.git main",
+            "value": "https://git.chir.rs/darkkirb/nix-packages.git update-flake",
             "emailresponsible": false
         },
         "nixpkgs": {