diff --git a/optimization/requirements.txt b/optimization/requirements.txt
index 4b43f7e68658..aa95363fce89 100644
--- a/optimization/requirements.txt
+++ b/optimization/requirements.txt
@@ -1 +1,2 @@
-matplotlib
\ No newline at end of file
+matplotlib
+pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file