diff --git a/requirements.txt b/requirements.txt
index c22191b..40a9bc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ boto3==1.17.32
 botocore==1.20.32
 cffi==1.14.5
 click==7.1.2
-dnspython==2.1.0
+dnspython==2.6.0rc1
 docutils==0.15.2
 dominate==2.5.1
 email-validator==1.1.2