diff --git a/python3/requirements.txt b/python3/requirements.txt
index d7b6c42f..7c68840e 100644
--- a/python3/requirements.txt
+++ b/python3/requirements.txt
@@ -2,3 +2,4 @@ dotenv
 twilio
 yagmail
 git+https://github.com/charlierguo/gmail
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability