diff --git a/requirements.txt b/requirements.txt
index ddd313a..c5c1574 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ dasy-hy
 hyrule
 black
 pytest
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability