Add section clarifying pip version support
@@ -65,6 +65,13 @@ their merits.
``pip._internal.utils.deprecation.deprecated``. The function is not a part of
pip's public API.
+Supported Versions
+==================
+
+The latest version of the pip is the only supported version, previous
+versions should be considered unsupported. Users are encouraged to make
+regular updates to their version of pip in order to remain supported.
+
.. _`Python 2 Support`:
Python 2 Support
