diff --git a/ansible/requirements.txt b/ansible/requirements.txt
index b78373f..96a29b1 100644
--- a/ansible/requirements.txt
+++ b/ansible/requirements.txt
@@ -20,3 +20,4 @@ scikit-learn
 matplotlib
 pytest
 pytest-cov
+pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability