diff --git a/requirements.txt b/requirements.txt
index 1fc1264..cd4f989 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ pytest-quickcheck==0.8.3
 python-telegram-bot==10.1.0
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5