diff --git a/requirements.txt b/requirements.txt
index f1b8e74..bdc9838 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ chardet==3.0.4
 psutil==5.8.0
 pyyaml==5.4
 pytz==2021.1
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability