diff --git a/types/node/index.d.ts b/types/node/index.d.ts
index 41cc918bac..9b075668f5 100644
--- a/types/node/index.d.ts
+++ b/types/node/index.d.ts
@@ -464,11 +464,15 @@ declare namespace NodeJS {
         exit(code?: number): never;
         exitCode: number;
         getgid(): number;
-        setgid(id: number): void;
-        setgid(id: string): void;
+        setgid(id: number | string): void;
         getuid(): number;
-        setuid(id: number): void;
-        setuid(id: string): void;
+        setuid(id: number | string): void;
+        geteuid(): number;
+        seteuid(id: number | string): void;
+        getegid(): number;
+        setegid(id: number | string): void;
+        getgroups(): number[];
+        setgroups(groups: Array<string | number>): void;
         version: string;
         versions: ProcessVersions;
         config: {