diff --git a/documentation/conf.py b/documentation/conf.py
index a03b171..64605a6 100644
--- a/documentation/conf.py
+++ b/documentation/conf.py
@@ -38,16 +38,16 @@
 
 # General information about the project.
 project = u'pySerial'
-copyright = u'2001-2016, Chris Liechti'
+copyright = u'2001-2017, Chris Liechti'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = '3.2'
+version = '3.3'
 # The full version, including alpha/beta/rc tags.
-release = '3.2.1'
+release = '3.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.