diff --git a/Cargo.toml b/Cargo.toml
index f7cf9e6..28f37b8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "syn"
-version = "0.12.3" # don't forget to update html_root_url
+version = "0.12.4" # don't forget to update html_root_url
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 license = "MIT/Apache-2.0"
 description = "Nom parser for Rust source code"
diff --git a/src/lib.rs b/src/lib.rs
index b974dc4..7de23c5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -256,7 +256,7 @@
 //!   types.
 
 // Syn types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/syn/0.12.3")]
+#![doc(html_root_url = "https://docs.rs/syn/0.12.4")]
 #![cfg_attr(feature = "cargo-clippy",
             allow(const_static_lifetime, doc_markdown, large_enum_variant, match_bool,
                   redundant_closure, needless_pass_by_value))]