diff --git a/hardware/hosts/sail.nix b/hardware/hosts/sail.nix
index 07878ee..f70279e 100644
--- a/hardware/hosts/sail.nix
+++ b/hardware/hosts/sail.nix
@@ -10,6 +10,8 @@
       availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" ];
       kernelModules = [ "nvme" ];
     };
+
+    kernelModules = [ "tcp_bbr" ];
   };
 
   fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };