diff --git a/requirements.txt b/requirements.txt
index d3d5f52..b933773 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ sortedcontainers==2.1.0
 tblib==1.6.0
 toolz==0.10.0
 tornado==6.0.3
-urllib3==1.25.7
+urllib3==1.25.8
 Werkzeug==0.16.0
 zict==1.0.0
 zipp==0.6.0