diff --git a/machines/magenta/default.nix b/machines/magenta/default.nix
index 6431fb1..a6a2f3b 100644
--- a/machines/magenta/default.nix
+++ b/machines/magenta/default.nix
@@ -28,5 +28,12 @@ in
     defaults.email = "dmitriy@pleshevski.ru";
   };
 
-  services.fail2ban.enable = true;
+  services.fail2ban = {
+    enable = true;
+    bantime-increment = {
+      enable = true;
+      factor = "4";
+      maxtime = "48h";
+    };
+  };
 }