diff --git a/flake.nix b/flake.nix
index 8f51710f..4bb24066 100644
--- a/flake.nix
+++ b/flake.nix
@@ -480,6 +480,7 @@
             self.nixosModules.microvm
             ./hosts/gitea
           ];
+          nixpkgs = inputs.nixos-unstable;
         };
 
         glotzbert = nixosSystem' {