diff --git a/requirements.txt b/requirements.txt
index 66fa130..6a26ad3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ ipaddress==1.0.22
 jmespath==0.9.3
 msrestazure==0.6.2
 natsort==5.5.0
-ns1-python==0.12.0
+ns1-python==0.13.0
 ovh==0.4.8
 pycountry-convert==0.7.2
 pycountry==19.8.18