diff --git a/requirements.txt b/requirements.txt
index 281a06e..fb46bed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ azure-common==1.1.24
 azure-mgmt-dns==3.0.0
 boto3==1.11.0
 botocore==1.14.0
-dnspython==1.15.0
+dnspython==1.16.0
 docutils==0.15.2
 dyn==1.8.1
 edgegrid-python==1.1.1