diff --git a/README.md b/README.md
index 62046b74..30874f06 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,9 @@ If you are looking for the documentation for the legacy callback-api please see
 
 ```js
 const fastify = require('fastify')()
-const fs = require('fs')
-const util = require('util')
-const { pipeline } = require('stream')
+const fs = require('node:fs')
+const util = require('node:util')
+const { pipeline } = require('node:stream')
 const pump = util.promisify(pipeline)
 
 fastify.register(require('@fastify/multipart'))
diff --git a/callback.md b/callback.md
index 00e01335..23b2b054 100644
--- a/callback.md
+++ b/callback.md
@@ -11,7 +11,7 @@
 ```js
 const fastify = require('fastify')()
 const concat = require('concat-stream')
-const fs = require('fs')
+const fs = require('node:fs')
 const pump = require('pump')
 
 fastify.register(require('@fastify/multipart'))