diff --git a/src/lib.rs b/src/lib.rs
index 08dab40..3098895 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -17,7 +17,7 @@
 //!
 //! This version of arrayvec requires Rust 1.15 or later.
 //!
-#![doc(html_root_url="https://docs.rs/arrayvec/0.3/")]
+#![doc(html_root_url="https://docs.rs/arrayvec/0.4/")]
 #![cfg_attr(not(feature="std"), no_std)]
 extern crate odds;
 extern crate nodrop;