diff --git a/requirements.txt b/requirements.txt
index 348fa6d..8439f7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 pyyaml>=3.12
 requests>=2.11.1
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability