diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 780c9bd..c1baf51
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ simplejson==3.10.0
 six==1.10.0
 stevedore==1.22.0
 unicodecsv==0.14.1
-urllib3==1.21.1
+urllib3==1.24.2
 warlock==1.2.0
 wrapt==1.10.10
 numpy==1.12.1