diff --git a/requirements.txt b/requirements.txt
index 3b12afc..40dc349 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ pyyaml
 pandas
 torchvision
 torchtext
+pillow>=8.1.0 # not directly required, pinned by Snyk to avoid a vulnerability