diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0fea8df9..04f29bbfc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@ All notable changes to AET will be documented in this file.
 ## Unreleased
 **List of changes that are finished but not yet released in any final version.**
 
+## Version 2.1.5-rc01
+
+
 - [PR-239](https://github.com/Cognifide/aet/pull/239) Switch off default require.js timeouts.
 - [PR-238](https://github.com/Cognifide/aet/pull/238) AET Winter Edition introduced
 - [PR-233](https://github.com/Cognifide/aet/pull/233) Font Awesome introduced to AET
diff --git a/vagrant/Vagrantfile b/vagrant/Vagrantfile
index 1d6ccb84d..7f3e204d1 100644
--- a/vagrant/Vagrantfile
+++ b/vagrant/Vagrantfile
@@ -24,7 +24,7 @@
 ENV["GEM_PATH"] = nil
 ENV["GEM_HOME"] = nil
 
-AET_VERSION = '2.1.4'
+AET_VERSION = '2.1.5-rc01'
 
 VAGRANTFILE_API_VERSION = '2'