diff --git a/README.rst b/README.rst
index 0ffcecdb..21089737 100644
--- a/README.rst
+++ b/README.rst
@@ -2,7 +2,7 @@
 mtools
 ======
 
-|PyPI version| |Build Status| |Python 36| |Python 37| |Python 38|
+|PyPI version| |Build Status| |Python 36| |Python 37| |Python 38| |Python 39|
 
 **mtools** is a collection of helper scripts to parse, filter, and visualize
 MongoDB log files (``mongod``, ``mongos``). mtools also includes ``mlaunch``, a
@@ -45,14 +45,14 @@ Requirements and Installation Instructions
 
 The mtools collection is written in Python, and most of the tools only use the
 standard packages shipped with Python. The tools are currently tested with
-Python 3.6, 3.7, and 3.8.
+Python 3.6, 3.7, 3.8, and 3.9.
 
 Some of the tools have additional dependencies, which are listed under the
 specific tool's section. See the `installation instructions
 <http://rueckstiess.github.io/mtools/install.html>`__ for more information.
 
 The mtools suite is only tested with actively supported (non End-of-Life)
-versions of the MongoDB server. As of January 2020, that includes MongoDB 3.6
+versions of the MongoDB server. As of January 2021, that includes MongoDB 3.6
 or newer.
 
 Recent Changes
@@ -85,4 +85,6 @@ posted in the `Issues
 .. |Python 37| image:: https://img.shields.io/badge/Python-3.7-brightgreen.svg?style=flat
    :target: http://python.org
 .. |Python 38| image:: https://img.shields.io/badge/Python-3.8-brightgreen.svg?style=flat
+   :target: http://python.org
+.. |Python 39| image:: https://img.shields.io/badge/Python-3.9-brightgreen.svg?style=flat
    :target: http://python.org
\ No newline at end of file
diff --git a/doc/install.rst b/doc/install.rst
index 9ade162f..9a1ef376 100644
--- a/doc/install.rst
+++ b/doc/install.rst
@@ -4,21 +4,21 @@ Installation
 
 The mtools collection is written in Python, and most of the tools only use the
 standard packages shipped with Python. The tools are currently tested with
-Python 3.6, 3.7, and 3.8.
+Python 3.6, 3.7, 3.8, and 3.9.
 
 Some of the tools have additional dependencies, which are listed under the
 specific tool's section.
 
 The mtools suite is only tested with actively supported (non End-of-Life)
-versions of the MongoDB server. As of January 2020, that includes MongoDB 3.6
+versions of the MongoDB server. As of January 2021, that includes MongoDB 3.6
 or newer.
 
 Prerequisites
 ~~~~~~~~~~~~~
 
 Python
-   You need to have Python 3.6.x, 3.7.x, or 3.8.x installed in order to use
-   mtools. Other versions of Python are not currently supported.
+   You need to have Python 3.6.x, 3.7.x, 3.8.x, or 3.9.x installed in order to
+   use mtools. Other versions of Python are not currently supported.
 
    To check your Python version, run ``python --version`` on the command line.
 
diff --git a/setup.py b/setup.py
index bd51d9bb..628db43c 100644
--- a/setup.py
+++ b/setup.py
@@ -104,7 +104,8 @@
         'License :: OSI Approved :: Apache Software License',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8'
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9'
     ],
     keywords='MongoDB logs testing',
     extras_require=extras_requires,
diff --git a/tox.ini b/tox.ini
index df3a91f0..2184f346 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.6
-envlist = py36, py37, py38
+envlist = py36, py37, py38, py39
 skipsdist = True
 
 [testenv]