diff --git a/CHANGELOG.md b/CHANGELOG.md
index 949c8c9..6614030 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changes
 
 ## Unreleased ~ master
+
+## 0.4.0
 The macro `mutex` now return a tuple of `Mutex` values if 2 or more expression are passed to it
 The macro `refcell` now return a tuple of `RefCell` values if 2 or more expression are passed to it
 The macro `cell` now return a tuple of `Cell` values if 2 or more expression are passed to it
diff --git a/Cargo.toml b/Cargo.toml
index bbf8524..87571aa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sugars"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["GrayJack <gr41.j4ck@gmail.com>"]
 readme = "README.md"
 license-file = "LICENSE"