diff --git a/docs/requirements.txt b/docs/requirements.txt
index cab44e4..a442e5f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,3 +2,4 @@ numpy
 pandas
 matplotlib
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
+pillow>=10.3.0 # not directly required, pinned by Snyk to avoid a vulnerability