diff --git a/requirements.txt b/requirements.txt
index 1186cc6..511daae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ redis[hiredis]
 paho-mqtt<2.0.0
 pika>=1.3.1
 requests>=2.1.0
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability