diff --git a/requirements.txt b/requirements.txt
index 6d53f1f..1c6b372 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,5 +31,5 @@ requests==2.22.0
 retrying==1.3.3
 six==1.12.0
 traitlets==4.3.2
-urllib3==1.25.3
+urllib3==1.26.5
 Werkzeug==0.15.4