diff --git a/flake.nix b/flake.nix
index 02fa678..5a4b3cd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,7 +36,7 @@
         ];
       };
 
-      nixosConfigurations.cryochamber = nixpkgs-25-05.lib.nixosSystem {
+      nixosConfigurations.cryochamber = nixpkgs-25-11.lib.nixosSystem {
         inherit system;
         specialArgs = {
           inherit impermanence;