diff --git a/requirements.txt b/requirements.txt
index a747c2d..a89e1aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ shapely~=2.0.0
 tqdm~=4.65.0
 setuptools~=67.7.2
 
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability