diff --git a/readthedocs.yaml b/readthedocs.yaml
index 7643348..21b3e18 100644
--- a/readthedocs.yaml
+++ b/readthedocs.yaml
@@ -1,7 +1,11 @@
 version: 2
 
 build:
-  os: ubuntu-20.04
+  os: "ubuntu-20.04"
+  tools:
+    python: "3.8"
+  commands:
+    - sphinx-build -b html docs/ _build/html
 
 sphinx:
   configuration: docs/conf.py
@@ -12,7 +16,6 @@ formats:
   - "epub"
 
 python:
-  version: 3.8
   install:
     - requirements: docs/requirements.txt