diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..b9fd71a
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,7 @@
+version: 2
+
+sphinx:
+  configuration: docs/conf.py
+
+python:
+  version: 3.6
diff --git a/docs/conf.py b/docs/conf.py
index ab98830..fb9b5bb 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -40,6 +40,8 @@ templates_path = ["_templates"]
 # This pattern also affects html_static_path and html_extra_path.
 exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
+# Master document
+master_doc = "index"
 
 # -- Options for HTML output -------------------------------------------------