diff --git a/requirements.txt b/requirements.txt
index d9768e2..504a4fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ testpath==0.4.4
 tornado==5.1.1
 tqdm==4.45.0
 traitlets==4.3.3
-urllib3==1.25.9
+urllib3==1.26.5
 wcwidth==0.1.9
 webencodings==0.5.1
 websockets==8.1