diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index e8cf8284be25fdc36e1a4ff2bda408430da6dfcd..e6c601c8b74c3f31fd6906723604e0d1be4b19cb 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -22,6 +22,7 @@ build:
 # Build documentation in the "docs/" directory with Sphinx
 sphinx:
    configuration: docs/conf.py
+   builder: html
 
 # Optionally build your docs in additional formats such as PDF and ePub
 # formats: