diff --git a/types/diff/index.d.ts b/types/diff/index.d.ts
index 5afb72192e..08ac3c3171 100644
--- a/types/diff/index.d.ts
+++ b/types/diff/index.d.ts
@@ -142,6 +142,7 @@ export interface Hunk {
     newStart: number;
     newLines: number;
     lines: string[];
+    linedelimiters: string[];
 }
 
 export interface BestPath {