diff --git a/changelog.md b/changelog.md
index 06ea7ce..7d91b4d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2024-10-26 - 2.2.1 - fix(core)
+Fix import and typings for improved compatibility
+
+- Corrected the type signature for `getS3Descriptor` to return `IS3Descriptor`.
+- Fixed import structure and updated dependencies for consistent namespace usage across plugins.
+
 ## 2024-10-26 - 2.2.0 - feat(ci)
 Migrate CI/CD workflow from GitLab CI to Gitea CI
 
diff --git a/package.json b/package.json
index 02932fb..023cc3c 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,7 @@
     "@push.rocks/smartbucket": "^2.0.2",
     "@push.rocks/smartfile": "^10.0.4",
     "@push.rocks/smartpath": "^5.0.5",
+    "@tsclass/tsclass": "^4.1.2",
     "@types/s3rver": "^3.7.0",
     "s3rver": "^3.7.1"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f4bf308..2248403 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -14,6 +14,9 @@ dependencies:
   '@push.rocks/smartpath':
     specifier: ^5.0.5
     version: 5.0.18
+  '@tsclass/tsclass':
+    specifier: ^4.1.2
+    version: 4.1.2
   '@types/s3rver':
     specifier: ^3.7.0
     version: 3.7.4
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 7debcc1..aaff7d4 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smarts3',
-  version: '2.2.0',
+  version: '2.2.1',
   description: 'A Node.js TypeScript package to create a local S3 endpoint for simulating AWS S3 operations using mapped local directories for development and testing purposes.'
 }
diff --git a/ts/index.ts b/ts/index.ts
index 8fb26cf..4fe004e 100644
--- a/ts/index.ts
+++ b/ts/index.ts
@@ -42,7 +42,7 @@ export class Smarts3 {
     console.log('s3 server is running');
   }
 
-  public async getS3Descriptor(): Promise<plugins.smartbucket.ISmartBucketConfig> {
+  public async getS3Descriptor(): Promise<plugins.tsclass.storage.IS3Descriptor> {
     return {
       accessKey: 'S3RVER',
       accessSecret: 'S3RVER',
diff --git a/ts/plugins.ts b/ts/plugins.ts
index 14a3670..085f982 100644
--- a/ts/plugins.ts
+++ b/ts/plugins.ts
@@ -3,13 +3,19 @@ import * as path from 'path';
 
 export { path };
 
-// pushrocks scope
+// @push.rocks scope
 import * as smartbucket from '@push.rocks/smartbucket';
 import * as smartfile from '@push.rocks/smartfile';
 import * as smartpath from '@push.rocks/smartpath';
 
 export { smartbucket, smartfile, smartpath };
 
+// @tsclass scope
+import * as tsclass from '@tsclass/tsclass';
+
+export { tsclass };
+
+
 // thirdparty scope
 import s3rver from 's3rver';