diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..c4752a6
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,22 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.9"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+# python:
+#   install:
+#   - requirements: docs/requirements.txt
diff --git a/docs/conf.py b/docs/conf.py
index 2124fc2..58ef67d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -10,4 +10,7 @@
 
 extensions = [
     "sphinx.ext.autodoc",
+    "sphinx_rtd_theme",
 ]
+
+html_theme = "sphinx_rtd_theme"
diff --git a/setup.py b/setup.py
index bdd29f5..e35bb30 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,15 @@
     python_requires=">=3.7",
     install_requires=[],
     extras_require={
-        "dev": ["pytest", "black", "isort", "flake8", "mypy"],
+        "dev": [
+            "pytest",
+            "black==22.12.0",
+            "isort",
+            "flake8",
+            "mypy",
+            "sphinx",
+            "sphinx_rtd_theme",
+        ],
     },
     classifiers=[],
 )