diff --git a/openapi.yaml b/openapi.yaml
index 0e3ceb8..32526d8 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -39,6 +39,11 @@ paths:
         schema:
           type: integer
           format: int32
+      - name: Sort
+        in: query
+        schema:
+          type: integer
+          format: int32
       responses:
         "200":
           description: Successful response