diff --git a/requirements.txt b/requirements.txt
index 67d1967..04399a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ requests==2.19.1
 schema==0.6.8
 six==1.11.0
 urllib2-file==0.2.1
-urllib3==1.23
+urllib3==1.26.5
 virtualenv==16.0.0
 virtualenv-clone==0.3.0
 Werkzeug==0.14.1