diff --git a/storage/innobase/xtrabackup/doc/requirements.txt b/storage/innobase/xtrabackup/doc/requirements.txt
index 22682a74f57c..21ab0a289037 100644
--- a/storage/innobase/xtrabackup/doc/requirements.txt
+++ b/storage/innobase/xtrabackup/doc/requirements.txt
@@ -12,3 +12,4 @@ mkdocs-bootstrap-tables-plugin
 mkdocs-section-index
 mkdocs-htmlproofer-plugin
 mike
+pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability