diff --git a/src/controllers/Document.ts b/src/controllers/Document.ts
index 2c3cd294a..92be99307 100644
--- a/src/controllers/Document.ts
+++ b/src/controllers/Document.ts
@@ -935,7 +935,7 @@ export interface ArgsDocumentControllerUpsert<TKDocumentContent>
   default?: Partial<TKDocumentContent>;
   refresh?: "wait_for" | "false";
   silent?: boolean;
-  retryOnConflict?: boolean;
+  retryOnConflict?: number;
   source?: boolean;
 }