diff --git a/manifest.json b/manifest.json
index b48882d..56415f2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,8 +6,14 @@
         "en": "Online web spreadsheet editor providing collaborative editing in really real-time",
         "fr": "Feuille de calcul collaborative en ligne"
     },
-    "version": "0.20170704.0~ynh1",
+    "version": "20201228~ynh1",
     "url": "https://ethercalc.net/",
+    "upstream": {
+        "license": "CPAL-1.0&Artistic-2.0",
+        "website": "https://ethercalc.net/",
+        "demo": "https://ethercalc.net/",
+        "code": "https://github.com/audreyt/ethercalc"
+    },
     "license": "CPAL-1.0&Artistic-2.0",
     "maintainer": {
         "name": "ljf",
diff --git a/scripts/upgrade b/scripts/upgrade
index 0499cac..680d9e8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,6 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION