diff --git a/requirements-dev.txt b/requirements-dev.txt
index 33da964d0..3678fe7dc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,5 +16,5 @@ six==1.11.0
 tox==3.0.0
 traceback2==1.4.0
 unittest2==1.1.0
-urllib3==1.23
+urllib3==1.24.2
 virtualenv==15.2.0