diff --git a/requirements.txt b/requirements.txt
index 6a289d3..f4df2b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -292,7 +292,7 @@ tornado==5.0.2
 traitlets==4.3.2
 typing==3.6.4
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==16.7.9
 wcwidth==0.1.7
 webencodings==0.5.1