diff --git a/Cargo.toml b/Cargo.toml
index c78b52e..4a5fbfd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mlua"
-version = "0.6.3" # remember to update html_root_url and mlua_derive
+version = "0.6.4" # remember to update html_root_url and mlua_derive
 authors = ["Aleksandr Orlenko <zxteam@pm.me>", "kyren <catherine@chucklefish.org>"]
 edition = "2018"
 repository = "https://github.com/khvzak/mlua"
diff --git a/src/lib.rs b/src/lib.rs
index 11b6855..4b4c45b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -72,7 +72,7 @@
 //! [`serde::Deserialize`]: https://docs.serde.rs/serde/de/trait.Deserialize.html
 
 // mlua types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/mlua/0.6.3")]
+#![doc(html_root_url = "https://docs.rs/mlua/0.6.4")]
 // Deny warnings inside doc tests / examples. When this isn't present, rustdoc doesn't show *any*
 // warnings at all.
 #![doc(test(attr(deny(warnings))))]