diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 994f8da..e65e3f9
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ six==1.11.0
 tablib==0.12.1
 traitlets==4.3.2
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 Whoosh==2.7.4
 xadmin==0.6.1