diff --git a/requirements.txt b/requirements.txt
index 7401f70..9724d62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ sphinx==7.0.1
 mock==2.0.0
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
 requests==2.31.0
+pillow>=10.0.0 # not directly required, pinned by Snyk to avoid a vulnerability