diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..e14909b
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,20 @@
+# ReadTheDocs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+sphinx:
+  configuration: docs/conf.py
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+    - method: pip
+      path: .
+      extra_requirements:
+        - all
diff --git a/docs/index.rst b/docs/index.rst
index d999f04..822d253 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -10,6 +10,8 @@ Welcome to Prometheus Client API Python's documentation!
    :maxdepth: 2
    :caption: Contents:
 
+   source/modules
+
 
 
 Indices and tables
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..cbf1e36
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+sphinx
+sphinx-rtd-theme