diff --git a/requirements.txt b/requirements.txt
index 0dc30d9..e9b6923 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ pyparsing
 tqdm
 kiwisolver
 joblib
+pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability