diff --git a/index.d.ts b/index.d.ts
index 07096a2..e461a2b 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -7,6 +7,7 @@ export class Buffer extends Uint8Array {
     compare(otherBuffer: Uint8Array, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
     copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
     slice(start?: number, end?: number): Buffer;
+    subarray(start?: number, end?: number): Buffer;
     writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
     writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
     writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;