diff --git a/CHANGELOG.md b/CHANGELOG.md
index a379f05..73e4804 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [0.4.0] - 2020-05-31
+
+### Changed
+- Build binaries for multiple operative systems
+- Fixed typos in the documentation
+
 ## [0.3.0] - 2020-05-31
 
 ### Changed
diff --git a/Cargo.toml b/Cargo.toml
index 78ca9b9..aebaf86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "tuc"
 description = "When cut doesn't cut it"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Riccardo Attilio Galli <riccardo@sideralis.org>"]
 edition = "2018"
 homepage = "https://github.com/riquito/tuc"
diff --git a/README.md b/README.md
index 741b72e..49a6767 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ cargo install
 ## Help
 
 ```
-tuc 0.3.0
+tuc 0.4.0
 When cut doesn't cut it.
 
 USAGE: