diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index e481e64f1..7d505150e 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -14,6 +14,7 @@ build:
 # Build documentation in the "Documentation/" directory with Sphinx.
 sphinx:
   configuration: Documentation/conf.py
+  builder: "dirhtml"
 
 # Build all formats: HTML, PDF, ePub.
 formats: all