diff --git a/docs/source/conf.py b/docs/source/conf.py
index cdf39f9..0f689a4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -201,7 +201,7 @@ html_additional_pages = {
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'ipythondoc'
 
-intersphinx_mapping = {'python': ('http://docs.python.org/2/', None),
+intersphinx_mapping = {'python': ('http://docs.python.org/3/', None),
                        'rpy2': ('http://rpy.sourceforge.net/rpy2/doc-2.4/html/', None),
                        'traitlets': ('http://traitlets.readthedocs.org/en/latest/', None),
                        'jupyterclient': ('http://jupyter-client.readthedocs.org/en/latest/', None),