diff --git a/requirements.txt b/requirements.txt
index a38f773..b8786f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -196,7 +196,7 @@ tornado==6.0.2
 traitlets==4.3.2
 typed-ast==1.3.1
 unicodecsv==0.14.1
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.15.4