diff --git a/requirements.txt b/requirements.txt
index 6d3465d..1d74ade 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ pytest==3.1.3
 python-mimeparse==1.6.0
 requests==2.18.1
 six==1.10.0
-urllib3==1.21.1
+urllib3==1.24.2