diff --git a/aio/content/examples/upgrade-phonecat-1-typescript/karma.conf.ajs.js b/aio/content/examples/upgrade-phonecat-1-typescript/karma.conf.ajs.js
index dc829d1983..89d9e7bcd7 100644
--- a/aio/content/examples/upgrade-phonecat-1-typescript/karma.conf.ajs.js
+++ b/aio/content/examples/upgrade-phonecat-1-typescript/karma.conf.ajs.js
@@ -16,6 +16,15 @@ module.exports = function(config) {
       '**/*.spec.js'
     ],
 
+    // This is needed, because the AngularJS files are loaded from `https://code.angularjs.org/`.
+    // Without this, latest browsers prevent loading the scripts from localhost with:
+    // ```
+    // Access to script at 'https://code.angularjs.org/1.5.5/angular.js' from origin
+    // 'http://localhost:9876' has been blocked by CORS policy: No 'Access-Control-Allow-Origin'
+    // header is present on the requested resource.
+    // ```
+    crossOriginAttribute: false,
+
     autoWatch: true,
 
     frameworks: ['jasmine'],
diff --git a/aio/content/examples/upgrade-phonecat-2-hybrid/karma.conf.ajs.js b/aio/content/examples/upgrade-phonecat-2-hybrid/karma.conf.ajs.js
index 213834b1aa..699b5075f7 100644
--- a/aio/content/examples/upgrade-phonecat-2-hybrid/karma.conf.ajs.js
+++ b/aio/content/examples/upgrade-phonecat-2-hybrid/karma.conf.ajs.js
@@ -44,12 +44,21 @@ module.exports = function(config) {
       // #enddocregion files
     ],
 
+    // This is needed, because the AngularJS files are loaded from `https://code.angularjs.org/`.
+    // Without this, latest browsers prevent loading the scripts from localhost with:
+    // ```
+    // Access to script at 'https://code.angularjs.org/1.5.5/angular.js' from origin
+    // 'http://localhost:9876' has been blocked by CORS policy: No 'Access-Control-Allow-Origin'
+    // header is present on the requested resource.
+    // ```
+    crossOriginAttribute: false,
+
     // #docregion html
     // proxied base paths for loading assets
     proxies: {
       // required for component assets fetched by Angular's compiler
-      "/phone-detail": '/base/app/phone-detail',
-      "/phone-list": '/base/app/phone-list'
+      '/phone-detail': '/base/app/phone-detail',
+      '/phone-list': '/base/app/phone-list'
     },
     // #enddocregion html