diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..33a1ac9
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,12 @@
+---
+version: 2
+sphinx:
+  configuration: doc/source/conf.py
+formats: all
+python:
+  version: 3.7
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - doc
diff --git a/doc-requirements.txt b/doc-requirements.txt
deleted file mode 100644
index d390e37..0000000
--- a/doc-requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
--e .
-sphinx_rtd_theme
-Sphinx
diff --git a/setup.cfg b/setup.cfg
index 7a7a574..d08fdca 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -60,6 +60,10 @@ test =
     pytest-helpers-namespace
     pytest-mock
     twine
+# These are required during doc:
+doc =
+    Sphinx
+    sphinx_rtd_theme
 
 [options.entry_points]
 console_scripts =