diff --git a/CHANGELOG.md b/CHANGELOG.md
index b21fafd..e66369f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.14.0 (2022-05-09)
+
+  * Optimize Update struct by migrating its content to enum - [#62](https://github.com/ayrat555/frankenstein/pull/62)
+
 ## 0.13.0 (2022-04-18)
 
 ### [Bot API 6.0](https://core.telegram.org/bots/api#april-16-2022) - [#58](https://github.com/ayrat555/frankenstein/pull/58), [#59](https://github.com/ayrat555/frankenstein/pull/59)
diff --git a/Cargo.toml b/Cargo.toml
index 50893a2..b544ab7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "frankenstein"
-version = "0.13.0"
+version = "0.14.0"
 authors = ["Ayrat Badykov <ayratin555@gmail.com>"]
 description = "Telegram bot API client for Rust"
 edition = "2018"
diff --git a/README.md b/README.md
index 44d8175..cc99124 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Add this to your Cargo.toml
 
 ```toml
 [dependencies]
-frankenstein = "0.13"
+frankenstein = "0.14"
 ```
 
 ## Features
@@ -35,13 +35,13 @@ frankenstein = "0.13"
 To use the async client add the following line to your `Cargo.toml` file:
 
 ```toml
-frankenstein = { version = "0.13", default-features = false, features = ["async-http-client"] }
+frankenstein = { version = "0.14", default-features = false, features = ["async-http-client"] }
 ```
 
 You can also disable all features:
 
 ```toml
-frankenstein = { version = "0.13", default-features = false }
+frankenstein = { version = "0.14", default-features = false }
 ```
 
 In this case the crate will ship only with telegram types
@@ -159,7 +159,7 @@ It has two variants:
 
 ### Documentation
 
-Frankenstein implements all telegram bot api methods. To see which parameters you should pass, check [docs.rs](https://docs.rs/frankenstein/0.13.0/frankenstein/api_traits/telegram_api/trait.TelegramApi.html#provided-methods)
+Frankenstein implements all telegram bot api methods. To see which parameters you should pass, check [docs.rs](https://docs.rs/frankenstein/0.14.0/frankenstein/api_traits/telegram_api/trait.TelegramApi.html#provided-methods)
 
 You can check out a real world bot created using this library - [El Monitorro](https://github.com/ayrat555/el_monitorro). El Monitorro is a feed reader bot.
 
@@ -171,7 +171,7 @@ The library uses `ureq` http client by default, but it can be easily replaced wi
 1. `ureq` comes with a default feature (`impl`). So the feature should be disabled:
 
 ```toml
-frankenstein = { version = "0.13", default-features = false, features = ["telegram-trait"] }
+frankenstein = { version = "0.14", default-features = false, features = ["telegram-trait"] }
 ```
 
 2. Implement `TelegramApi` trait which requires two functions: