diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index fda2a6e..836f6d1
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ pandas
 tqdm
 gdown
 h5py
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability