diff --git a/hosts/tsumugi/os/transmission.nix b/hosts/tsumugi/os/transmission.nix
index ba86759..f651be8 100644
--- a/hosts/tsumugi/os/transmission.nix
+++ b/hosts/tsumugi/os/transmission.nix
@@ -30,6 +30,9 @@ in
             RootDirectory = lib.mkForce null;
           };
         };
+        systemd.services.transmission.environment = {
+          CURLOPT_PROXY = "socks5h://100.109.238.104:1080";
+        };
         services.transmission = {
           enable = true;
           package = pkgs.transmission_4;