diff --git a/requirements.txt b/requirements.txt
index 7173ae9..2b9d57f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,5 +26,5 @@ retrying==1.3.3
 scipy==1.1.0
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.24.2
+urllib3==1.26.5
 Werkzeug==0.15.3