Release 0.3.1
diff --git a/src/lib.rs b/src/lib.rs
index fc0e682..43540be 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -343,7 +343,7 @@
 //!
 //! [https://github.com/dtolnay/cxx]: https://github.com/dtolnay/cxx
 
-#![doc(html_root_url = "https://docs.rs/cxx/0.3.0")]
+#![doc(html_root_url = "https://docs.rs/cxx/0.3.1")]
 #![deny(improper_ctypes)]
 #![allow(non_camel_case_types)]
 #![allow(