diff --git a/requirements-doc.txt b/requirements-doc.txt
index 7936141910..6984541129 100644
--- a/requirements-doc.txt
+++ b/requirements-doc.txt
@@ -2,4 +2,6 @@ sphinx
 myst-parser
 recommonmark
 pygments
+sphinxmark
 sphinx-rtd-theme
+pillow==9.5.0