diff --git a/requirements.txt b/requirements.txt
index 12f7b42..acc2c4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ testpath==0.4.1
 tldextract==2.2.1
 tornado==5.1
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.26.5
 virtualenv==16.0.0
 wcwidth==0.1.7
 webencodings==0.5.1