diff --git a/requirements.txt b/requirements.txt
index ceb62b6..7fa9298 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -115,7 +115,7 @@ tornado==6.0.4
 tqdm==4.46.0
 traitlets==4.3.3
 typing-extensions==3.7.4.2
-urllib3==1.25.9
+urllib3==1.26.5
 wcwidth==0.1.9
 WeasyPrint==51
 webencodings==0.5.1