diff --git a/requirements.txt b/requirements.txt
index 787535d..0d00756 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,4 @@ sqlalchemy-migrate==0.10.0
 onetimepass==1.0.1
 PyQRCode==1.2
 Flask-OAuthlib==0.9.3
+dnspython>=1.12.0
\ No newline at end of file