diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5f174d5ae6..153580a5a2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,3 +12,4 @@ sphinx-copybutton
 sphinx-jsonschema
 sphinxext-opengraph
 sphinxext-rediraffe
+pillow>=10.0.1 # not directly required, pinned by Snyk to avoid a vulnerability