diff --git a/requirements.txt b/requirements.txt
index 6b3ba24..218bcaf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,5 +39,5 @@ requests==2.18.4
 Shapely==1.6.3
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==2.5.0
 Werkzeug==0.14.1