diff --git a/flow-typed/environment/node.js b/flow-typed/environment/node.js
index 61a4206c427..959f77da012 100644
--- a/flow-typed/environment/node.js
+++ b/flow-typed/environment/node.js
@@ -118,6 +118,7 @@ declare class Buffer extends Uint8Array {
   readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
   readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
   slice(start?: number, end?: number): this;
+  subarray(start?: number, end?: number): this;
   swap16(): Buffer;
   swap32(): Buffer;
   swap64(): Buffer;