diff --git a/requirements.txt b/requirements.txt
index 31862a7..21d6e5b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ pandas==1.3.4
 plotly==5.3.1
 pygraphviz==1.7
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
+pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability