diff --git a/time constraints/requirements.txt b/time constraints/requirements.txt
old mode 100755
new mode 100644
index 3304cff..dd006c2
--- a/time constraints/requirements.txt	
+++ b/time constraints/requirements.txt	
@@ -29,5 +29,5 @@ requests==2.18.4
 simplejson==3.11.1
 six==1.10.0
 stevedore==1.25.0
-urllib3==1.22
+urllib3==1.26.5
 wrapt==1.10.11