diff --git a/requirements.txt b/requirements.txt
index 35a5c96..9f4f330 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pyyaml==5.3               # via apispec
 requests==2.22.0
 six==1.14.0               # via python-dateutil
 translationstring==1.3    # via pyramid
-urllib3==1.25.8           # via requests
+urllib3==1.26.5           # via requests
 venusian==3.0.0           # via pyramid
 webob==1.8.6              # via pyramid
 ws4py==0.5.1