diff --git a/src/auth.js b/src/auth.js
index 1efba7c..5756101 100644
--- a/src/auth.js
+++ b/src/auth.js
@@ -1,6 +1,6 @@
 // @ts-check
 import core from '@actions/core';
-import fs from 'fs';
+import * as fs from 'fs';
 import got from 'got';
 import rsasign from 'jsrsasign';
 
diff --git a/src/auth.test.js b/src/auth.test.js
index 812d525..1d17b36 100644
--- a/src/auth.test.js
+++ b/src/auth.test.js
@@ -11,7 +11,7 @@ vi.mock('fs', () => ({
 
 import core from '@actions/core';
 import got from 'got'
-import fs from 'fs';
+import * as fs from 'fs';
 import { when } from 'jest-when'
 
 import { retrieveToken } from './auth.js';