diff --git a/.ruby-version b/.ruby-version
index 5859406..276cbf9 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.2.3
+2.3.0
diff --git a/.travis.yml b/.travis.yml
index 4a167bd..b736041 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-  - 2.2.3
+  - 2.3.0
 addons:
   postgresql: "9.3"
 
diff --git a/CHANGELOG.rdoc b/CHANGELOG.rdoc
index d3399d4..2827031 100644
--- a/CHANGELOG.rdoc
+++ b/CHANGELOG.rdoc
@@ -4,6 +4,8 @@ Prezento is the web interface for Mezuro.
 
 == Unreleased
 
+Set development Ruby version to 2.3.0
+
 == v0.11.1 - 26/02/2016
 
 Fix default database.yml to avoid encoding conflicts in PostgreSQL
diff --git a/README.rdoc b/README.rdoc
index 793bbc6..4ceb058 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -39,7 +39,7 @@ Please, have a look the wiki pages about development workflow and code standards
 
 * Ruby version
 
-  2.2.3
+  2.3.0
 
   You can easily install it through the Ruby Version Manager - RVM. Instructions on how to do it can be found at http://rvm.io
 
--
libgit2 0.21.2