diff --git a/requirement.txt b/requirement.txt
index 42e25c1..985fa9c 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -225,7 +225,7 @@ traitlets==4.3.2
 typing==3.6.4
 update==0.0.1
 uritemplate==3.0.0
-urllib3==1.23
+urllib3==1.26.5
 wcwidth==0.1.7
 Werkzeug==0.14.1
 xattr==0.9.3