diff --git a/requirements.txt b/requirements.txt
index d55fa34..6149e23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,5 +21,5 @@ robobrowser==0.5.3
 scikit-image==0.13.0
 scipy==0.19.0
 six==1.10.0
-urllib3==1.21.1
+urllib3==1.24.2
 Werkzeug==0.15.3