diff --git a/requirements.txt b/requirements.txt
index f320bc4..f67bd6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ colour==0.1.5
 coverage==5.3
 coveralls==2.1.2
 distlib==0.3.1
-dnspython==1.16.0
+dnspython==2.0.0
 docopt==0.6.2
 dominate==2.5.1
 email-validator==1.1.2