diff --git a/requirements.txt b/requirements.txt
index ad2c0b1..4155754 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ pycodestyle==2.0.0
 pyflakes==1.2.3
 requests==2.11.1
 six==1.10.0
-urllib3==1.17
+urllib3==1.26.5
 Werkzeug==0.11.11
 wheel==0.24.0
 xlrd==1.0.0