diff --git a/requirements.txt b/requirements.txt
index bdc1906..74701c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ python-dotenv==0.10.1
 redis==3.2.1
 schedule==0.4.2
 requests==2.21.0
+urllib3>=1.26.5 # not directly required, pinned by Snyk to avoid a vulnerability