diff --git a/src/r0/filter/get_filter.rs b/src/r0/filter/get_filter.rs
index 23688b06..0f8bea5a 100644
--- a/src/r0/filter/get_filter.rs
+++ b/src/r0/filter/get_filter.rs
@@ -1,4 +1,4 @@
-//! [GET /_matrix/client/r0/user/{userId}/filter/{filterId}](https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-user-userid-filter-filterid)
+//! [GET /_matrix/client/r0/user/{userId}/filter/{filterId}](https://matrix.org/docs/spec/client_server/r0.4.0.html#get-matrix-client-r0-user-userid-filter-filterid)
 
 use ruma_api_macros::ruma_api;
 use ruma_identifiers::UserId;
@@ -13,7 +13,7 @@ ruma_api! {
         name: "get_filter",
         path: "/_matrix/client/r0/user/:user_id/filter/:filter_id",
         rate_limited: false,
-        requires_authentication: false,
+        requires_authentication: true,
     }
 
     request {