diff --git a/README.rst b/README.rst
index 5c090804..1ab43e53 100644
--- a/README.rst
+++ b/README.rst
@@ -3,6 +3,12 @@
 Overview: Easy, clean, reliable Python 2/3 compatibility
 ========================================================
 
+.. image:: https://travis-ci.org/PythonCharmers/python-future.svg?branch=master
+    :target: https://travis-ci.org/PythonCharmers/python-future
+
+.. image:: https://readthedocs.org/projects/python-future/badge/?version=latest
+    :target: https://python-future.readthedocs.io/en/latest/?badge=latest
+
 ``python-future`` is the missing compatibility layer between Python 2 and
 Python 3. It allows you to use a single, clean Python 3.x-compatible
 codebase to support both Python 2 and Python 3 with minimal overhead.
@@ -22,9 +28,6 @@ are `Mezzanine <http://mezzanine.jupo.org/>`_ and `ObsPy
 Features
 --------
 
-.. image:: https://travis-ci.org/PythonCharmers/python-future.svg?branch=master
-       :target: https://travis-ci.org/PythonCharmers/python-future
-
 -   ``future.builtins`` package (also available as ``builtins`` on Py2) provides
     backports and remappings for 20 builtins with different semantics on Py3
     versus Py2
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 00000000..c5e7e301
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+sphinx==3.2.1
+sphinx_bootstrap_theme==0.7.1
diff --git a/tox.ini b/tox.ini
index 1ca3286b..bc3300ab 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,5 @@ commands = pytest {posargs}
 
 [testenv:docs]
 deps =
-    sphinx
-    sphinx_bootstrap_theme
+    -rdocs/requirements.txt
 commands = sphinx-build docs build