diff --git a/requirements.lock.txt b/requirements.lock.txt
index defd05c..6499c14 100644
--- a/requirements.lock.txt
+++ b/requirements.lock.txt
@@ -51,7 +51,7 @@ SQLAlchemy==1.3.18
 tornado==6.0.4
 typing-extensions==3.7.4.2
 uritemplate==3.0.1
-urllib3==1.25.9
+urllib3==1.26.5
 visitor==0.1.3
 Werkzeug==1.0.1
 WTForms==2.3.1