diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85db939..b23832c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ This project aims to comply with [Semantic Versioning](http://semver.org/),
 so please check *Changed* and *Removed* notes before upgrading.
 
 ## [Unreleased]
+
+## [0.3.1] - 2016-07-29
 ### Added
 - Introduce `Radix::VERSION` so library version can be used at runtime.
 
@@ -46,7 +48,8 @@ so please check *Changed* and *Removed* notes before upgrading.
 ### Added
 - Initial release based on code extracted from Beryl.
 
-[Unreleased]: https://github.com/luislavena/radix/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/luislavena/radix/compare/v0.3.1...HEAD
+[0.3.1]: https://github.com/luislavena/radix/compare/v0.3.0...v0.3.1
 [0.3.0]: https://github.com/luislavena/radix/compare/v0.2.1...v0.3.0
 [0.2.1]: https://github.com/luislavena/radix/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/luislavena/radix/compare/v0.1.2...v0.2.0
diff --git a/shard.yml b/shard.yml
index a6f939b..bda898c 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: radix
-version: 0.3.0
+version: 0.3.1
 
 authors:
   - Luis Lavena <luislavena@gmail.com>
diff --git a/src/radix/version.cr b/src/radix/version.cr
index ecd5d8b..60bcd90 100644
--- a/src/radix/version.cr
+++ b/src/radix/version.cr
@@ -1,3 +1,3 @@
 module Radix
-  VERSION = "0.3.0"
+  VERSION = "0.3.1"
 end