Release 0.5.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f404310..9b17ce1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@
 
 ## [Unreleased]
 
+## [0.5.1] - 2020-10-14
+
+* Implement `Parse` for `Signature`.
+
+* Update parser implementations based on `syn` 1.0.44. This includes some bugfixes.
+
+* Disable default features of `proc-macro2` and `quote`.
+
 ## [0.5.0] - 2019-12-09
 
 * [Added `Signature` type.][13]
@@ -44,7 +52,8 @@
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/syn-mid/compare/v0.5.0...HEAD
+[Unreleased]: https://github.com/taiki-e/syn-mid/compare/v0.5.1...HEAD
+[0.5.1]: https://github.com/taiki-e/syn-mid/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/taiki-e/syn-mid/compare/v0.4.0...v0.5.0
 [0.4.0]: https://github.com/taiki-e/syn-mid/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/taiki-e/syn-mid/compare/v0.2.0...v0.3.0
diff --git a/Cargo.toml b/Cargo.toml
index 3f6525f..8712673 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "syn-mid"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Taiki Endo <te316e89@gmail.com>"]
 edition = "2018"
 license = "Apache-2.0 OR MIT"
diff --git a/src/lib.rs b/src/lib.rs
index 48323e4..4c271ea 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,7 +30,7 @@
 //! [`syn_mid::Block`]: Block
 //! [syn]: https://github.com/dtolnay/syn
 
-#![doc(html_root_url = "https://docs.rs/syn-mid/0.5.0")]
+#![doc(html_root_url = "https://docs.rs/syn-mid/0.5.1")]
 #![doc(test(
     no_crate_inject,
     attr(deny(warnings, rust_2018_idioms, single_use_lifetimes), allow(dead_code))