diff --git a/catalogs/earthcode.json b/catalogs/earthcode.json
index 68b8ee3..f72b8e4 100644
--- a/catalogs/earthcode.json
+++ b/catalogs/earthcode.json
@@ -7,6 +7,7 @@
   "default_overlay_layers": "layers/overlays",
   "assets_endpoint": "https://raw.githubusercontent.com/ESA-EarthCODE/publishing-catalog/main/assets",
   "collections": [
-    "test"
+    "test",
+    "demo"
   ]
 }
diff --git a/collections/demo.json b/collections/demo.json
new file mode 100644
index 0000000..ad0e84b
--- /dev/null
+++ b/collections/demo.json
@@ -0,0 +1,13 @@
+{
+  "Name": "demo",
+  "Title": "Demo",
+  "Description": "",
+  "Resources": [
+    {
+      "Name": "WMS",
+      "EndPoint": "",
+      "LayerId": "",
+      "Type": "OverwriteTimes"
+    }
+  ]
+}