diff --git a/node/node.d.ts b/node/node.d.ts
index 7aaa176ed..4eecc773c 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -1627,7 +1627,9 @@ declare module "crypto" {
     }
     export function getDiffieHellman(group_name: string): DiffieHellman;
     export function pbkdf2(password: string, salt: string, iterations: number, keylen: number, callback: (err: Error, derivedKey: Buffer) => any): void;
+    export function pbkdf2(password: string, salt: string, iterations: number, keylen: number, digest: string, callback: (err: Error, derivedKey: Buffer) => any): void;
     export function pbkdf2Sync(password: string, salt: string, iterations: number, keylen: number) : Buffer;
+    export function pbkdf2Sync(password: string, salt: string, iterations: number, keylen: number, digest: string) : Buffer;
     export function randomBytes(size: number): Buffer;
     export function randomBytes(size: number, callback: (err: Error, buf: Buffer) =>void ): void;
     export function pseudoRandomBytes(size: number): Buffer;