diff --git a/README.rst b/README.rst
index ba33b19..ab1b9a7 100644
--- a/README.rst
+++ b/README.rst
@@ -37,7 +37,7 @@ Usage
 
 To use this module, you must first download or create a MaxMind DB file. We
 provide `free GeoLite2 databases
-<http://dev.maxmind.com/geoip/geoip2/geolite2>`_. These files must be
+<https://dev.maxmind.com/geoip/geoip2/geolite2>`_. These files must be
 decompressed with ``gunzip``.
 
 After you have obtained a database and imported the module, call
@@ -85,8 +85,9 @@ invalid IP address or an IPv6 address in an IPv4 database.
 Requirements
 ------------
 
-This code requires Python 2.7+ or 3.3+. The C extension requires CPython. The
-pure Python implementation has been tested with PyPy.
+This code requires Python 2.7+ or 3.5+. Older versions are not supported. The C
+extension requires CPython. The pure Python implementation has been tested with
+PyPy.
 
 On Python 2, the `ipaddress module <https://pypi.python.org/pypi/ipaddress>`_ is
 required.
@@ -94,7 +95,7 @@ required.
 Versioning
 ----------
 
-The MaxMind DB Python module uses `Semantic Versioning <http://semver.org/>`_.
+The MaxMind DB Python module uses `Semantic Versioning <https://semver.org/>`_.
 
 Support
 -------
@@ -103,5 +104,5 @@ Please report all issues with this code using the `GitHub issue tracker
 <https://github.com/maxmind/MaxMind-DB-Reader-python/issues>`_
 
 If you are having an issue with a MaxMind service that is not specific to this
-API, please contact `MaxMind support <http://www.maxmind.com/en/support>`_ for
+API, please contact `MaxMind support <https://www.maxmind.com/en/support>`_ for
 assistance.