diff --git a/requirements.txt b/requirements.txt
index 826a3ae..e219a08 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,6 +23,6 @@ pymongo==3.6.1
 pytest==3.6.1
 requests==2.20.0
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1
 WTForms==2.2