diff --git a/apps.json b/apps.json
index c95923fd..c15a2542 100644
--- a/apps.json
+++ b/apps.json
@@ -1575,6 +1575,15 @@
         "state": "working",
         "url": "https://github.com/YunoHost-Apps/invoiceninja5_ynh"
     },
+    "isso": {
+        "category": "publishing",
+        "level": 7,
+        "state": "working",
+        "subtags": [
+            "websites"
+        ],
+        "url": "https://github.com/YunoHost-Apps/isso_ynh"
+    },
     "jackett": {
         "category": "multimedia",
         "level": 1,