diff --git a/machines/fuuko/services/torrent.nix b/machines/fuuko/services/torrent.nix
index fc1564a..ab2b4b2 100644
--- a/machines/fuuko/services/torrent.nix
+++ b/machines/fuuko/services/torrent.nix
@@ -61,6 +61,9 @@ let
       User = "aria2";
       Group = "nginx";
 
+      # Increase number of open file descriptors (default: 1024)
+      LimitNOFILE = 65536;
+
       # systemd-analyze --no-pager security aria2-rpc-proxy.service
       CapabilityBoundingSet = null;
       PrivateDevices = true;