diff --git a/systems/x86_64-linux/x1/default.nix b/systems/x86_64-linux/x1/default.nix
index 93836bd..aba8aaf 100644
--- a/systems/x86_64-linux/x1/default.nix
+++ b/systems/x86_64-linux/x1/default.nix
@@ -12,7 +12,10 @@ with lib.plusultra;
     enable = true;
     operation = "boot";
     allowReboot = false;
-    flags = [ "--update-input" "nixpkgs" ];
+    flags = [
+        "--update-input" "nixpkgs"
+        "--update-input" "unstable"
+        ];
     flake = "git+https://git.hoyer.xyz/harald/nixcfg#x1";
   };