diff --git a/requirements.txt b/requirements.txt
index 402f4628b77ce..49255e57c67d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ pyusb==1.0.2
 qrcode==6.1
 reportlab==3.5.13
 requests==2.21.0
-zeep==3.2.0
+zeep==4.3.1
 vatnumber==1.2
 vobject==0.9.6.1
 Werkzeug==0.14.1 ; sys_platform != 'win32'