diff --git a/backend/requirements.txt b/backend/requirements.txt
index 343b795..257aa94 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,5 @@
 certifi==2021.5.30
-dnspython==1.16.0
+dnspython==2.1.0
 eventlet==0.31.0
 greenlet==1.1.0
 python-engineio==3.14.2