diff --git a/modules/system/services/server/transmission/default.nix b/modules/system/services/server/transmission/default.nix
index d7ef920c..50d2abb2 100644
--- a/modules/system/services/server/transmission/default.nix
+++ b/modules/system/services/server/transmission/default.nix
@@ -8,6 +8,7 @@
       openPeerPorts = true;
       settings = {
         anti-brute-force-enabled = true;
+        rpc-authentication-required = true;
         rpc-whitelist-enabled = false;
       };
     };