diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45a3bbc56..693753544 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,18 @@ mysql Cookbook CHANGELOG
 This file is used to list changes made in each version of the mysql cookbook.
 
 
+v4.0.0
+------
+- [COOK-3928] Heavily refactoring for readability. Moving platform implementation into separate recipes
+- Moving integration tests from minitest to serverspec, removing "improper" tests
+- Moving many attributes into the ['mysql']['server']['whatever'] namespace
+- [COOK-3481] - Merged Lucas Welsh's Windows bits and moved into own recipe
+- [COOK-3697] - Adding security hardening attributes
+- [COOK-3780] - Fixing data_dir on Debian and Ubuntu
+- [COOK-3807] - Don't use execute[assign-root-password] on Debian and Ubuntu
+- [COOK-3881] - Fixing /etc being owned by mysql user
+
+
 v3.0.12
 -------
 ### Bug
diff --git a/metadata.rb b/metadata.rb
index 8e945d21c..ae219b529 100644
--- a/metadata.rb
+++ b/metadata.rb
@@ -4,7 +4,7 @@
 license           'Apache 2.0'
 description       'Installs and configures mysql for client or server'
 long_description  IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version           '3.0.13'
+version           '4.0.0'
 recipe            'mysql', 'Includes the client recipe to configure a client'
 recipe            'mysql::client', 'Installs packages required for mysql clients using run_action magic'
 recipe            'mysql::server', 'Installs packages required for mysql servers w/o manual intervention'