diff --git a/pip-requirements.txt b/pip-requirements.txt
index 3259e16..0dc573a 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -33,7 +33,7 @@ six==1.14.0
 SQLAlchemy==1.3.16
 Twisted==18.7.0
 txaio==18.8.1
-urllib3==1.23
+urllib3==1.26.5
 watson-developer-cloud==1.7.1
 Werkzeug==1.0.1
 WTForms==2.2.1