diff --git a/support/doc/api/openapi.yaml b/support/doc/api/openapi.yaml
index d9e91c131..a63694211 100644
--- a/support/doc/api/openapi.yaml
+++ b/support/doc/api/openapi.yaml
@@ -1417,6 +1417,8 @@ paths:
                 email:
                   type: string
                   description: User email
+              required:
+                - email
       responses:
         '204':
           description: successful operation
@@ -1436,6 +1438,8 @@ paths:
                 email:
                   type: string
                   description: Registration email
+              required:
+                - email
       responses:
         '204':
           description: successful operation