diff --git a/requirements.txt b/requirements.txt
index e6fbe44..d61f015 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ Jinja2==2.9.6
 MarkupSafe==1.0
 requests==2.18.1
 SQLAlchemy==1.1.11
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.12.2