diff --git a/requirements.txt b/requirements.txt
index 64c9167..3e3fd31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ torchvision
 tqdm
 tensorboard
 
+pillow>=8.1.0 # not directly required, pinned by Snyk to avoid a vulnerability