diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 4a55f7d..18eef40 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,6 +1,11 @@
 # https://docs.readthedocs.io/en/stable/config-file/v2.html
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "3.10"
+
 sphinx:
   configuration: docs/conf.py
 
diff --git a/docs/requirements.txt b/docs/requirements.txt
index f0694bd..8430e28 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1,3 @@
 myst-parser
+sphinx
+sphinx-rtd-theme
diff --git a/requirements.txt b/requirements.txt
index 938caab..4e0b5d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,4 @@ scuba
 wheel
 cffi        # Used for test/pyinstall-cffi/
 pytest
+-r docs/requirements.txt