diff --git a/.readthedocs.yml b/.readthedocs.yml
index ba2f9a0..f5c8cc5 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -12,8 +12,6 @@ python:
       path: .
       extra_requirements:
         - docs
-  system_packages: true
 
 sphinx:
-  builder: dirhtml
-  fail_on_warning: true
+  builder: html
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 9dfe519..f1da495 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,2 @@
-sphinx
-pallets-sphinx-themes
+Pallets-Sphinx-Themes
+Sphinx