diff --git a/src/lib.rs b/src/lib.rs
index 3860474..b9c19ba 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -75,6 +75,7 @@
 //! for a working example.
 #![deny(missing_docs)]
 #![warn(rust_2018_idioms)]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 mod parse;