diff --git a/requirements.txt b/requirements.txt
index 58b5c94..b2e6f54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,3 +34,4 @@ Werkzeug==2.0.3
 ory-kratos-client
 pymysql
 Flask-SQLAlchemy
+hydra-client