diff --git a/requirements.txt b/requirements.txt
index 6c593ae..88f1358 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@ python_telegram_bot==13.7
 requests==2.25.1
 SQLAlchemy==1.3.20
 psycopg2-binary
-git+https://github.com/python-telegram-bot/ptbcontrib.git
\ No newline at end of file
+git+https://github.com/python-telegram-bot/ptbcontrib.git
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file