diff --git a/Cargo.toml b/Cargo.toml
index 328387f..f18c242 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "proc-macro2"
-version = "0.4.27" # remember to update html_root_url
+version = "0.4.28" # remember to update html_root_url
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
diff --git a/src/lib.rs b/src/lib.rs
index bcefc7a..5422105 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -79,7 +79,7 @@
 //! Semver exempt methods are marked as such in the proc-macro2 documentation.
 
 // Proc-macro2 types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/proc-macro2/0.4.27")]
+#![doc(html_root_url = "https://docs.rs/proc-macro2/0.4.28")]
 #![cfg_attr(nightly, feature(proc_macro_span))]
 #![cfg_attr(super_unstable, feature(proc_macro_raw_ident, proc_macro_def_site))]