diff --git a/changelog.md b/changelog.md
index 3a7a24f..f6bc8ff 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2026-05-08 - 3.6.4 - fix(tapbundle_serverside)
+use native fs promises to create the test files directory and write the downloaded alpine tarball
+
+- replaces smartfs directory and file writes with fs.promises.mkdir and fs.promises.writeFile in TestFileProvider
+- keeps recursive directory creation before saving the downloaded docker alpine image
+
 ## 2026-03-27 - 3.6.3 - fix(tapbundle_serverside)
 add TapNodeTools cleanup hooks to stop SmartNetwork processes after tests
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index a2e033e..15ce50b 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@git.zone/tstest',
-  version: '3.6.3',
+  version: '3.6.4',
   description: 'A powerful, modern test runner for TypeScript with multi-runtime support (Node.js, Deno, Bun, Chromium) and a batteries-included test framework.'
 }
diff --git a/ts_tapbundle_serverside/classes.testfileprovider.ts b/ts_tapbundle_serverside/classes.testfileprovider.ts
index 1accd87..3ee8004 100644
--- a/ts_tapbundle_serverside/classes.testfileprovider.ts
+++ b/ts_tapbundle_serverside/classes.testfileprovider.ts
@@ -12,9 +12,9 @@ export class TestFileProvider {
     const response = await plugins.smartrequest.SmartRequest.create()
       .url(fileUrls.dockerAlpineImage)
       .get();
-    await plugins.smartfsInstance.directory(paths.testFilesDir).recursive().create();
     const buffer = Buffer.from(await response.arrayBuffer());
-    await plugins.smartfsInstance.file(filePath).write(buffer);
+    await plugins.fs.promises.mkdir(paths.testFilesDir, { recursive: true });
+    await plugins.fs.promises.writeFile(filePath, buffer);
     return filePath;
   }
-}
\ No newline at end of file
+}