diff --git a/requirements.txt b/requirements.txt
index fa28f4a..7b628bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -119,7 +119,7 @@ traitlets==4.3.2
 typing==3.6.6
 typing-extensions==3.7.2
 uritemplate==3.0.0
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 websockets==8.0