diff --git a/alpine.ts b/alpine.ts
index fd2f55a..4203652 100644
--- a/alpine.ts
+++ b/alpine.ts
@@ -11,7 +11,7 @@ import {
 import { tmpdir } from "node:os";
 import path from "node:path";
 import { cwd } from "node:process";
-import { execFile } from "./helpers/better-api";
+import { execFile } from "./helpers/better-api.js";
 
 export class Alpine {
   dir: string;
diff --git a/helpers/sudo.ts b/helpers/sudo.ts
index bc383d2..48b38c3 100644
--- a/helpers/sudo.ts
+++ b/helpers/sudo.ts
@@ -1,5 +1,5 @@
 import { getuid } from "node:process";
-import { execFile } from "./better-api";
+import { execFile } from "./better-api.js";
 
 export async function sudoChown(path: string, owner: string): Promise<void> {
   await execFile("sudo", ["chown", owner, path]);