diff --git a/requirements.txt b/requirements.txt
index 847ea1d..9982299 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ six==1.10.0
 SQLAlchemy==1.3.0
 transaction==2.1.2
 translationstring==1.3
-urllib3==1.25.3
+urllib3==1.26.5
 venusian==1.0
 waitress==1.4.2
 WebOb==1.7.2