diff --git a/src/main/webapp/WEB-INF/jsp/GeoPortalDataViewerAppPortlet_view.jsp b/src/main/webapp/WEB-INF/jsp/GeoPortalDataViewerAppPortlet_view.jsp
index 8e799df..64a298e 100644
--- a/src/main/webapp/WEB-INF/jsp/GeoPortalDataViewerAppPortlet_view.jsp
+++ b/src/main/webapp/WEB-INF/jsp/GeoPortalDataViewerAppPortlet_view.jsp
@@ -15,11 +15,11 @@
 	src='<%=request.getContextPath()%>/GeoportalDataViewer/js/bootstrap.min.js'></script>
 
 <link
-	href="//cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.4.3/css/ol.css"
+	href="//cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@main/dist/en/v6.4.3/css/ol.css"
 	rel="stylesheet" type="text/css">
 
 <script
-	src="//cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.4.3/build/ol.js"
+	src="//cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@main/dist/en/v6.4.3/build/ol.js"
 	type="text/javascript"></script>
 
 <link