diff --git a/modules/matrix.nix b/modules/matrix.nix
index ca0334c..e75c7e3 100644
--- a/modules/matrix.nix
+++ b/modules/matrix.nix
@@ -19,6 +19,7 @@ in
         port = [ 6167 ];
         max_request_size = 104857600;
         allow_registration = true;
+        registration_token = "09b3ccc25da9b3d5dc43e276a1c9e83d043fb49f45670ea7f2ede314adb8d3f8";
         allow_encryption = true;
         allow_federation = true;
         new_user_displayname_suffix = "";