diff --git a/requirements.txt b/requirements.txt
index ad6a883..82da36e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,3 +30,4 @@ eventlet
 socketIO-client
 diskcache
 tcpping
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability