diff --git a/requirements.txt b/requirements.txt
index 2d8123b..32bbb87 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -90,7 +90,7 @@ tornado==6.0.3
 tqdm==4.32.2
 traitlets==4.3.2
 Twisted==19.7.0
-urllib3==1.25.3
+urllib3==1.26.5
 visdom==0.1.8.8
 wcwidth==0.1.7
 webencodings==0.5.1