diff --git a/CHANGELOG.md b/CHANGELOG.md
index de8328dc1..ae787834d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@
 ### Features
 - Added a noCache option to opening tile sources ([#1296](../../pull/1296))
 
+### Changes
+- Changed the cdn used for the SlideAtlas viewer ([#1297](../../pull/1297))
+
 ## 1.23.7
 
 ### Improvements
diff --git a/girder/girder_large_image/web_client/views/imageViewerWidget/slideatlas.js b/girder/girder_large_image/web_client/views/imageViewerWidget/slideatlas.js
index b4e35579e..6de839322 100644
--- a/girder/girder_large_image/web_client/views/imageViewerWidget/slideatlas.js
+++ b/girder/girder_large_image/web_client/views/imageViewerWidget/slideatlas.js
@@ -5,7 +5,8 @@ import {parseQueryString, splitRoute} from '@girder/core/misc';
 
 import ImageViewerWidget from './base';
 
-var baseSAUrl = 'https://unpkg.com/slideatlas-viewer@4.4.1/dist/';
+// var baseSAUrl = 'https://unpkg.com/slideatlas-viewer@4.4.1/dist/';
+var baseSAUrl = 'https://cdn.jsdelivr.net/npm/slideatlas-viewer@4/dist/';
 
 var SlideAtlasImageViewerWidget = ImageViewerWidget.extend({
     initialize: function (settings) {