diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..4a85092
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools>=61", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/readthedocs.yml b/readthedocs.yml
index 1b90516..505f2a7 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -11,3 +11,6 @@ python:
         path: .
         extra_requirements:
             - docs
+
+sphinx:
+  configuration: docs/sphinx/conf.py