diff --git a/hosts/gunter/configuration.nix b/hosts/gunter/configuration.nix
index f06b88e..e7a861f 100644
--- a/hosts/gunter/configuration.nix
+++ b/hosts/gunter/configuration.nix
@@ -67,7 +67,7 @@
     ];
 
     trusted-public-keys = [
-      "nix-cache.home.2rjus.net-1:2kowZOG6pvhoK4AHVO3alBlvcghH20wchzoR0V86UWI="
+      "nix-cache02.home.2rjus.net-1:QyT5FAvJtV+EPQrgQQ6iV9JMg1kRiWuIAJftM35QMls="
       "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
     ];
   };