diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..a5dac70
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,20 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  builder: html
+  configuration: doc/conf.py
+
+# Build the docs in additional formats such as PDF and ePub
+formats: all
+
+# Set the version of Python and requirements required to build your docs
+python:
+   version: 3.7
+   install:
+     - requirements: doc/requirements.txt
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..2caa3be
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,3 @@
+sphinx==4.2
+sphinx-rtd-theme==1.0.0
+docutils<0.18