diff --git a/typings/internalBinding/fs.d.ts b/typings/internalBinding/fs.d.ts
index 51c8e462a7b8ca..c8af56bcc8a44f 100644
--- a/typings/internalBinding/fs.d.ts
+++ b/typings/internalBinding/fs.d.ts
@@ -288,6 +288,7 @@ export interface FsBinding {
   utimes: typeof InternalFSBinding.utimes;
   writeBuffer: typeof InternalFSBinding.writeBuffer;
   writeBuffers: typeof InternalFSBinding.writeBuffers;
+  writeFileUtf8: typeof InternalFSBinding.writeFileUtf8;
   writeString: typeof InternalFSBinding.writeString;
 
   getFormatOfExtensionlessFile: typeof InternalFSBinding.getFormatOfExtensionlessFile;