diff --git a/requirements.txt b/requirements.txt
index 0925da1..57ef31d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,5 +41,5 @@ requests==2.18.4
 s3transfer==0.1.11
 six==1.11.0
 swagger-spec-validator==2.1.0
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1