diff --git a/src/libs/Dust/openapi.yaml b/src/libs/Dust/openapi.yaml
index 842989c..b3ad05a 100644
--- a/src/libs/Dust/openapi.yaml
+++ b/src/libs/Dust/openapi.yaml
@@ -1718,7 +1718,8 @@
                     ],
                     "properties": {
                       "title": {
-                        "type": "string"
+                        "type": "string",
+                        "maxLength": 512
                       }
                     }
                   }