diff --git a/api/openapi.yaml b/api/openapi.yaml
index 81350a9..d7df0ea 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -271,6 +271,7 @@ components:
   schemas:
     User:
       description: "Represents a user account in the Acme platform."
+      type: object
       required:
         - id
         - email