diff --git a/nixos/systems/blowhole/firewall.nix b/nixos/systems/blowhole/firewall.nix
index 07ff20a..9da74b2 100644
--- a/nixos/systems/blowhole/firewall.nix
+++ b/nixos/systems/blowhole/firewall.nix
@@ -52,7 +52,7 @@ in
 
       max_clients = 1024;
 
-      cache_size = 8192;
+      cache_size = 32768;
     };
   };