diff --git a/openapi.yaml b/openapi.yaml
index 148d4f3dd..10053fb1c 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -1560,6 +1560,7 @@ paths:
           in: query
           schema:
             type: array
+            maxItems: 500
             items:
               type: string
               format: uuid