diff --git a/node/node.d.ts b/node/node.d.ts
index c4f778139..2bbab98e3 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -127,6 +127,10 @@ declare var Buffer: {
      *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
      */
     concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    compare(buf1: Buffer, buf2: Buffer): number;
 };
 
 /************************************************
@@ -327,6 +331,8 @@ interface NodeBuffer {
     toString(encoding?: string, start?: number, end?: number): string;
     toJSON(): any;
     length: number;
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer): number;
     copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
     slice(start?: number, end?: number): Buffer;
     writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;