diff --git a/.readthedocs.yml b/.readthedocs.yml
index 3631baa72..38a511c6a 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -9,9 +9,9 @@ version: 2
 sphinx:
    configuration: docs/source/conf.py
 
-# Build all formats (epub, pdf, htmlzip)
-formats: 
-  - pdf
+# Not building additional formats, as PDF build is failing
+# formats: 
+#   - pdf
 
 # Optionally set the version of Python and requirements required to build your docs
 python: