diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bd26cf..434c8fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [0.2.2] - 2023-06-25
+
+- Make all functions const if possible
+
 ## [0.2.1] - 2021-10-08
 
 - Fix major problems in the `BitString` trait implementation for `AnyIpCidr`
@@ -24,3 +28,4 @@
 
 [0.2.0]: https://github.com/stbuehler/rust-cidr/compare/cidr-0.1.1...cidr-0.2.0
 [0.2.1]: https://github.com/stbuehler/rust-cidr/compare/cidr-0.2.0...cidr-0.2.1
+[0.2.2]: https://github.com/stbuehler/rust-cidr/compare/cidr-0.2.1...cidr-0.2.2
diff --git a/Cargo.toml b/Cargo.toml
index 2cbe621..7abe7d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cidr"
 # also bump version in html_root_url in src/lib.rs
-version = "0.2.1"
+version = "0.2.2"
 edition = "2018"
 authors = ["Stefan Bühler <stbuehler@web.de>"]
 description = "IP network and IP host within network types"
diff --git a/src/lib.rs b/src/lib.rs
index 920c451..20e89ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,7 +2,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![warn(missing_docs)]
 #![warn(rust_2018_idioms)]
-#![doc(html_root_url = "https://docs.rs/cidr/0.2.1")]
+#![doc(html_root_url = "https://docs.rs/cidr/0.2.2")]
 #![allow(clippy::match_like_matches_macro)]
 
 //! This library provides types to represent an IP network ([`Cidr`]) or