diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..5ff506f
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,14 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+sphinx:
+    configuration: docs/conf.py
+
+python:
+    version: 3.7
+    install:
+        - requirements: docs/requirements.txt
diff --git a/tox.ini b/tox.ini
index 76daa14..c9063f6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,10 +50,12 @@ max-line-length = 120
 exclude = build, dist, .tox, .github, *.egg, docs
 
 [testenv:docs]
+basepython = python3
 deps = -rdocs/requirements.txt
 commands = sphinx-build -W -n -b html -d {envtmpdir}/doctrees {toxinidir}/docs {envtmpdir}/html
 
 [testenv:docs-linkcheck]
+basepython = python3
 deps = {[testenv:docs]deps}
 commands =
     sphinx-build -W -b linkcheck -d {envtmpdir}/doctrees {toxinidir}/docs {envtmpdir}/linkcheck