diff --git a/package.json b/package.json
index 8035930..ab96c9b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@xtr-dev/rondevu-client",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "TypeScript client for Rondevu peer signaling and discovery server",
   "type": "module",
   "main": "dist/index.js",
diff --git a/src/client.ts b/src/client.ts
index 426c001..4365d3d 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -13,7 +13,7 @@ import {
   HealthResponse,
   ErrorResponse,
   Side,
-} from './types';
+} from './types.js';
 
 /**
  * HTTP API client for Rondevu peer signaling and discovery server
diff --git a/src/connection.ts b/src/connection.ts
index 88f60a3..dd762b5 100644
--- a/src/connection.ts
+++ b/src/connection.ts
@@ -1,6 +1,6 @@
-import { EventEmitter } from './event-emitter';
-import { RondevuAPI } from './client';
-import { RondevuConnectionParams } from './types';
+import { EventEmitter } from './event-emitter.js';
+import { RondevuAPI } from './client.js';
+import { RondevuConnectionParams } from './types.js';
 
 /**
  * Represents a WebRTC connection with automatic signaling and ICE exchange
diff --git a/src/index.ts b/src/index.ts
index d36205c..ec61b94 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,13 +4,13 @@
  */
 
 // Export main WebRTC client class
-export { Rondevu } from './rondevu';
+export { Rondevu } from './rondevu.js';
 
 // Export connection class
-export { RondevuConnection } from './connection';
+export { RondevuConnection } from './connection.js';
 
 // Export low-level signaling API (for advanced usage)
-export { RondevuAPI } from './client';
+export { RondevuAPI } from './client.js';
 
 // Export all types
 export type {
@@ -39,4 +39,4 @@ export type {
   HealthResponse,
   ErrorResponse,
   RondevuClientOptions,
-} from './types';
+} from './types.js';
diff --git a/src/rondevu.ts b/src/rondevu.ts
index 568a47b..ff437f3 100644
--- a/src/rondevu.ts
+++ b/src/rondevu.ts
@@ -1,6 +1,6 @@
-import { RondevuAPI } from './client';
-import { RondevuConnection } from './connection';
-import { RondevuOptions, JoinOptions, RondevuConnectionParams } from './types';
+import { RondevuAPI } from './client.js';
+import { RondevuConnection } from './connection.js';
+import { RondevuOptions, JoinOptions, RondevuConnectionParams } from './types.js';
 
 /**
  * Main Rondevu WebRTC client with automatic connection management