diff --git a/geoportal/geomapfish_geoportal/static/cog.html b/geoportal/geomapfish_geoportal/static/cog.html
index 7e90cbbce..2fc73f212 100644
--- a/geoportal/geomapfish_geoportal/static/cog.html
+++ b/geoportal/geomapfish_geoportal/static/cog.html
@@ -7,7 +7,7 @@
     <title>Test swissalti3d COG</title>
     <link
       crossorigin="anonymous"
-      href="https://cdn.jsdelivr.net/npm/ol@v8.2.0/ol.css"
+      href="https://cdn.jsdelivr.net/npm/ol@10.0.0/ol.css"
       integrity="sha384-PpyAaiUdY+s8ycCAmYsYkyq9cQgPWrtjtiv4/NzjY5FHo+7R5wdgdpqPAOl+No0J"
       referrerpolicy="no-referrer"
       rel="stylesheet"
@@ -29,7 +29,7 @@
       crossorigin="anonymous"
       integrity="sha384-6GMGA9e+V61Pp+99Knx9XZ3Jc1GbAflMUdNDRzC92BBmTfVO5+bjx/q1HR0hQs6L"
       referrerpolicy="no-referrer"
-      src="https://cdn.jsdelivr.net/npm/ol@v8.2.0/dist/ol.js"
+      src="https://cdn.jsdelivr.net/npm/ol@10.0.0/dist/ol.js"
     ></script>
     <script
       crossorigin="anonymous"