diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c8e8505831..41cd018cd4
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,3 +19,4 @@ face_recognition
 # If you are looking for dependencies for a manual install,
 # you may want to install tensorflow-gpu==1.4.0 for CUDA 8.0 or tensorflow-gpu>=1.6.0 for CUDA 9.0
 # NB: MTCNN will not work with tensorflow releases prior to 1.6.0
+pillow>=10.3.0 # not directly required, pinned by Snyk to avoid a vulnerability