diff --git a/node/index.d.ts b/node/index.d.ts
index 02f30cc355..abe711e47b 100644
--- a/node/index.d.ts
+++ b/node/index.d.ts
@@ -330,6 +330,11 @@ declare namespace NodeJS {
         heapUsed: number;
     }
 
+    export interface CpuUsage {
+        user: number;
+        system: number;
+    }
+
     export interface ProcessVersions {
         http_parser: string;
         node: string;
@@ -396,6 +401,7 @@ declare namespace NodeJS {
         platform: string;
         mainModule?: NodeModule;
         memoryUsage(): MemoryUsage;
+        cpuUsage(previousValue?: CpuUsage): CpuUsage;
         nextTick(callback: Function, ...args: any[]): void;
         umask(mask?: number): number;
         uptime(): number;