diff --git a/README.md b/README.md
index aa9993d..35a89ba 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,9 @@ This is a fork of zipme's [redmine_lightbox](https://github.com/zipme/redmine_li
 Compatibility
 -------------
 
-**The latest version on `master` branch supports Redmine 3.3 only!**
+**This branch supports Redmine 3.3 only!**
+
+A Redmine 3.4 compatible version can be found in the [master](https://github.com/paginagmbh/redmine_lightbox2/tree/master) branch.
 
 A Redmine 3.0, 3.1, 3.2 compatible version can be found in the [redmine-3.0-3.2](https://github.com/paginagmbh/redmine_lightbox2/tree/redmine-3.0-3.2) branch.
 
diff --git a/init.rb b/init.rb
index f3f5ebb..6a38185 100644
--- a/init.rb
+++ b/init.rb
@@ -7,9 +7,10 @@
   name 'Redmine Lightbox 2'
   author 'Tobias Fischer'
   description 'This plugin lets you preview image, pdf and swf attachments in a lightbox.'
-  version '0.3.2'
+  version '0.3.3'
   url 'https://github.com/paginagmbh/redmine_lightbox2'
-  requires_redmine :version_or_higher => '3.3.0'
+  author_url 'https://github.com/tofi86'
+  requires_redmine :version => '3.3'
 end