diff --git a/requirements.txt b/requirements.txt
index f355fe5..665296c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,5 +15,5 @@ pytz==2017.2
 requests==2.20.0
 requests-toolbelt==0.8.0
 six==1.10.0
-urllib3==1.24.2
+urllib3==1.26.5
 zeep==2.4.0