diff --git a/nixos/server/package-configs/aria2/configuration.nix b/nixos/server/package-configs/aria2/configuration.nix
index 2926b28..4b031a7 100644
--- a/nixos/server/package-configs/aria2/configuration.nix
+++ b/nixos/server/package-configs/aria2/configuration.nix
@@ -14,7 +14,7 @@
       {
         containerPort = 6969;
         hostPort = 6969;
-        protocol = "tcp";
+        protocol = "udp";
       }
     ];
     bindMounts = {