diff --git a/requirements.txt b/requirements.txt
index c1a0c58..bed86af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ numpy==1.13.3
 python-telegram-bot==9.0.0
 requests==2.18.4
 telegram==0.0.1
-urllib3==1.22
+urllib3==1.26.5