diff --git a/optional-requirements.txt b/optional-requirements.txt
index 5bacdd69..5504153c 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -21,7 +21,7 @@ python_ldap>=3.0.0,<3.3.0
 flask-simpleldap>1.3.0,<1.5.0
 
 #oauth
-flask-dance>=0.13.0
+flask-dance>=0.13.0,<1.4.0
 sqlalchemy_utils>=0.33.5,<0.37.0
 
 # extracting metadata