diff --git a/requirements.txt b/requirements.txt
index eb00164..cc1214d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ s3transfer==0.2.1
 six==1.12.0
 sqlalchemy==1.3.10
 tornado==5.1.1
-urllib3==1.25.6 ; python_version >= '3.4'
+urllib3==1.26.5 ; python_version >= '3.4'