diff --git a/src/config/config.js b/src/config/config.js
index 453acb8c..700edaaf 100644
--- a/src/config/config.js
+++ b/src/config/config.js
@@ -4,17 +4,15 @@
  */
 
 const config = {
-  // special demo dialog file locations
-
   demoUrls: [
-    'https://daentjnvnffrh.cloudfront.net/demo/01_lungs/20101108.ktx',
-    'https://daentjnvnffrh.cloudfront.net/demo/02_brain_set/brain256.ktx',
-    'https://daentjnvnffrh.cloudfront.net/demo/03_grandmother_gm3/gm3_512_512_165.nii',
-    'https://daentjnvnffrh.cloudfront.net/demo/04_woman_pelvis/file_list.txt',
-    'https://daentjnvnffrh.cloudfront.net/demo/05_lungs_00cba/file_list.txt',
-    'https://daentjnvnffrh.cloudfront.net/demo/06_ct_256/ct_256_256_256.ktx',
-    'https://daentjnvnffrh.cloudfront.net/demo/07_lungs_256/lungs_256_256_256.ktx',
-    'https://daentjnvnffrh.cloudfront.net/demo/08_brain_with_roi/set_intn.hdr',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/01_lungs/20101108.ktx',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/02_brain_set/brain256.ktx',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/03_grandmother_gm3/gm3_512_512_165.nii',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/04_woman_pelvis/file_list.txt',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/05_lungs_00cba/file_list.txt',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/06_ct_256/ct_256_256_256.ktx',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/07_lungs_256/lungs_256_256_256.ktx',
+    'https://cdn.mri-viewer.opensource.epam.com/demo/08_brain_with_roi/set_intn.hdr',
   ],
 
   googleCloudDemoActivce: false,
diff --git a/src/engine/Segm2d.js b/src/engine/Segm2d.js
index 76e35c61..c5e292a1 100644
--- a/src/engine/Segm2d.js
+++ b/src/engine/Segm2d.js
@@ -16,7 +16,7 @@
 import * as tf from '@tensorflow/tfjs';
 import StoreActionType from '../store/ActionTypes';
 
-const BRAIN_MODEl = 'https://daentjnvnffrh.cloudfront.net/models/brain/model.json';
+const BRAIN_MODEl = 'https://cdn.mri-viewer.opensource.epam.com/models/brain/model.json';
 
 // ********************************************************
 // Const