diff --git a/requirements.txt b/requirements.txt
index ff2f1cc0d..02b5333a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ uritemplate
 passlib~=1.7.4
 bcrypt  # Requires libffi-dev and python-dev
 
-dnspython==1.16.0
+dnspython==2.1.0
 feedparser==6.0.2
 greenlet==0.4.17
 gevent==20.9.0