diff --git a/requirements.txt b/requirements.txt
index 8998639..7dd4da8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ six==1.12.0
 testtools==2.3.0
 traceback2==1.4.0
 unittest2==1.1.0
-urllib3==1.25.3
+urllib3==1.25.8