diff --git a/.readthedocs.yml b/.readthedocs.yml
index 959cf717..bb96642a 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,5 +1,13 @@
 version: 2
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.8"
+
+sphinx:
+   configuration: docs/conf.py
+
 python:
   install:
     - method: pip
diff --git a/setup.py b/setup.py
index 00994c25..dc1a39f1 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ extras_require = {
         "black>=23",
     ],
     "doc": [
-        "sphinx>=5.0.0",
+        "sphinx>=6.0.0",
         "sphinx_rtd_theme>=1.0.0",
         "towncrier>=21,<22",
     ],