diff --git a/doc/src/install.rst b/doc/src/install.rst
index 017be955..3cf24958 100644
--- a/doc/src/install.rst
+++ b/doc/src/install.rst
@@ -14,9 +14,12 @@ mature as the C implementation yet.
 
 The current `!psycopg2` implementation supports:
 
+..
+    NOTE: keep consistent with setup.py and the /features/ page.
+
 - Python 2 versions from 2.5 to 2.7
-- Python 3 versions from 3.1 to 3.3
-- PostgreSQL versions from 7.4 to 9.2
+- Python 3 versions from 3.1 to 3.4
+- PostgreSQL versions from 7.4 to 9.3
 
 .. _PostgreSQL: http://www.postgresql.org/
 .. _Python: http://www.python.org/
diff --git a/setup.py b/setup.py
index 9fe35f23..92ac1038 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,8 @@ UPDATEs. psycopg2 also provide full asynchronous operations and support
 for coroutine libraries.
 """
 
+# note: if you are changing the list of supported Python version please fix
+# the docs in install.rst and the /features/ page on the website.
 classifiers = """\
 Development Status :: 5 - Production/Stable
 Intended Audience :: Developers