diff --git a/requirements.txt b/requirements.txt
index 73b53e9..36b8bf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ Twisted-Core==13.2.0
 Twisted-Names==13.2.0
 Twisted-Web==13.2.0
 ujson==2.0.3
-urllib3==1.7.1
+urllib3==1.26.5
 wadllib==1.3.2
 Werkzeug==0.10
 zope.interface==4.0.5