diff --git a/build/rollup.config.js b/build/rollup.config.js
index d46296b..84630a2 100644
--- a/build/rollup.config.js
+++ b/build/rollup.config.js
@@ -66,12 +66,15 @@ export default inputs.map(input => {
             'lib/uuid',
             'lodash',
             'module',
-            'moment',
-            'fastestsmallesttextencoderdecoder'
+            'moment'
         ],
         plugins: [
-            resolve(),
-            commonJS(),
+            resolve({ mainFields: ['main'] }),
+            commonJS({
+                namedExports: {
+                    fastestsmallesttextencoderdecoder: ['TextEncoder']
+                }
+            }),
             alias({
                 resolve: ['.js', '.json'],
                 core: path.resolve(srcDir, 'core'),
diff --git a/environment/config.js b/environment/config.js
index 11a2c73..a94ef30 100644
--- a/environment/config.js
+++ b/environment/config.js
@@ -36,9 +36,7 @@ define(['/node_modules/@oat-sa/tao-core-libs/dist/pathdefinition.js'], function(
 
                 'jquery.mockjax': '/node_modules/jquery-mockjax/dist/jquery.mockjax',
                 'webcrypto-shim': '/node_modules/webcrypto-shim/webcrypto-shim',
-                'idb-wrapper': '/node_modules/idb-wrapper/idbstore',
-                fastestsmallesttextencoderdecoder:
-                    '/node_modules/fastestsmallesttextencoderdecoder/NodeJS/EncoderAndDecoderNodeJS.min'
+                'idb-wrapper': '/node_modules/idb-wrapper/idbstore'
             },
             libPathDefinition
         ),
diff --git a/package-lock.json b/package-lock.json
index 1d6aed4..b45eeec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@oat-sa/tao-core-sdk",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 66706c6..9b1fdcb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oat-sa/tao-core-sdk",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "displayName": "TAO Core SDK",
   "description": "Core libraries of TAO",
   "homepage": "https://github.com/oat-sa/tao-core-sdk-fe#readme",