diff --git a/requirements.txt b/requirements.txt
index 58210a2..d87e9c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ python-telegram-bot==12.0.0
 requests==2.22.0
 six==1.13.0
 tornado==6.0.3
-urllib3==1.25.7
+urllib3==1.25.8