diff --git a/src/main.js b/src/main.js
index 9bb0537..435bffd 100644
--- a/src/main.js
+++ b/src/main.js
@@ -2,7 +2,7 @@
 
 'use strict';
 
-import fs from 'fs';
+import fs from 'node:fs';
 import path from 'path';
 import {fileURLToPath} from 'url';
 import request from 'request';
diff --git a/src/serve_data.js b/src/serve_data.js
index dcbaab0..824491f 100644
--- a/src/serve_data.js
+++ b/src/serve_data.js
@@ -1,6 +1,6 @@
 'use strict';
 
-import fs from 'fs';
+import fs from 'node:fs';
 import path from 'path';
 import zlib from 'zlib';
 
diff --git a/src/serve_font.js b/src/serve_font.js
index a236b92..72b04fa 100644
--- a/src/serve_font.js
+++ b/src/serve_font.js
@@ -1,7 +1,7 @@
 'use strict';
 
 import express from 'express';
-import fs from 'fs';
+import fs from 'node:fs';
 import path from 'path';
 
 import {getFontsPbf} from './utils.js';
diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index a11d75f..563df18 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -1,7 +1,7 @@
 'use strict';
 
 import advancedPool from 'advanced-pool';
-import fs from 'fs';
+import fs from 'node:fs';
 import path from 'path';
 import url from 'url';
 import util from 'util';
diff --git a/src/serve_style.js b/src/serve_style.js
index 5546a6b..9ce769a 100644
--- a/src/serve_style.js
+++ b/src/serve_style.js
@@ -1,7 +1,7 @@
 'use strict';
 
 import path from 'path';
-import fs from 'fs';
+import fs from 'node:fs';
 
 import clone from 'clone';
 import express from 'express';
diff --git a/src/server.js b/src/server.js
index 4d6cf07..f2fde96 100644
--- a/src/server.js
+++ b/src/server.js
@@ -5,7 +5,7 @@ import os from 'os';
 process.env.UV_THREADPOOL_SIZE =
     Math.ceil(Math.max(4, os.cpus().length * 1.5));
 
-import fs from 'fs';
+import fs from 'node:fs';
 import path from 'path';
 
 import chokidar from 'chokidar';
diff --git a/src/utils.js b/src/utils.js
index 5a6a73b..422e096 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -1,7 +1,7 @@
 'use strict';
 
 import path from 'path';
-import fs from 'fs';
+import fs from 'node:fs';
 
 import clone from 'clone';
 import glyphCompose from '@mapbox/glyph-pbf-composite';