updated version information for v2.2 development
diff --git a/docs/conf.py b/docs/conf.py
index 82dfe26..9f29304 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -53,7 +53,7 @@
# General information about the project.
project = 'pybind11'
-copyright = '2016, Wenzel Jakob'
+copyright = '2017, Wenzel Jakob'
author = 'Wenzel Jakob'
# The version info for the project you're documenting, acts as replacement for
@@ -61,9 +61,9 @@
# built documents.
#
# The short X.Y version.
-version = '2.1'
+version = '2.2'
# The full version, including alpha/beta/rc tags.
-release = '2.1.dev0'
+release = '2.2.dev0'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.