diff --git a/spark_checkin/requirements.txt b/spark_checkin/requirements.txt
index 85e06ae..ac7c257 100644
--- a/spark_checkin/requirements.txt
+++ b/spark_checkin/requirements.txt
@@ -1 +1,2 @@
 ciscosparkapi
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability