diff --git a/src/lib.rs b/src/lib.rs
index 6d11e516e3..085c0aa37d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -91,7 +91,7 @@
 #![deny(missing_docs)]
 #![deny(meta_variable_misuse)]
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 pub extern crate typenum;