diff --git a/README.md b/README.md
index bcf2158..c83fbfa 100644
--- a/README.md
+++ b/README.md
@@ -15,11 +15,11 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 ## Overview
 
-Create a modern Website
+Open Source Content Management System for Teams
+
+**Shipped version:** 8.5.5~ynh1
 
-**Shipped version:** 8.5.2~ynh2
 
-**Demo:** https://demo.example.com
 
 ## Disclaimers / important information
 
@@ -29,7 +29,6 @@ Create a modern Website
 ## Documentation and resources
 
 * Official app website: https://www.concrete5.org/
-* Official user documentation: https://yunohost.org/apps
 * Official admin documentation: https://documentation.concrete5.org/
 * Upstream app code repository: https://github.com/concrete5/concrete5
 * YunoHost documentation for this app: https://yunohost.org/app_concrete5
diff --git a/README_fr.md b/README_fr.md
index 3eaa019..4ca76b1 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -11,11 +11,11 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 
 ## Vue d'ensemble
 
-Créer un site web moderne avec un CMS moderne
+Système de gestion de contenu Open Source pour les équipes
+
+**Version incluse :** 8.5.5~ynh1
 
-**Version incluse :** 8.5.2~ynh2
 
-**Démo :** https://demo.example.com
 
 ## Avertissements / informations importantes
 
@@ -25,7 +25,6 @@ Créer un site web moderne avec un CMS moderne
 ## Documentations et ressources
 
 * Site officiel de l'app : https://www.concrete5.org/
-* Documentation officielle utilisateur : https://yunohost.org/apps
 * Documentation officielle de l'admin : https://documentation.concrete5.org/
 * Dépôt de code officiel de l'app : https://github.com/concrete5/concrete5
 * Documentation YunoHost pour cette app : https://yunohost.org/app_concrete5
diff --git a/check_process b/check_process
index 93410ea..e31584a 100644
--- a/check_process
+++ b/check_process
@@ -16,7 +16,7 @@
 		setup_public=1
 		upgrade=1
 		# 8.5.2~ynh1
-		upgrade=1	from_commit=7c7c41cbc261757781e420004186012b5f455f67
+		# upgrade=1	from_commit=7c7c41cbc261757781e420004186012b5f455f67
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
@@ -27,4 +27,3 @@ Notification=none
 ;;; Upgrade options
 	; commit=7c7c41cbc261757781e420004186012b5f455f67
 		name=8.5.2~ynh1
-		manifest_arg=domain=DOMAIN&path=PATH&admin_name=USER&language=fr_FR&is_public=1&admin_pass=1Strong-Password&website_title=666&
diff --git a/conf/app.src b/conf/app.src
index c258c04..4cfb909 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/concrete5/concrete5/archive/8.5.2.tar.gz
-SOURCE_SUM=60c290faba9ecece8bc61bbec485e0bd1697af58f9e6f247eceb2241bfa2f75a
+SOURCE_URL=https://github.com/concrete5/concrete5/archive/8.5.5.tar.gz
+SOURCE_SUM=e1cf84110f625e3ac27c227eb697c59694eb6fdaa12e8ce92c7b3fb79c5b09f4
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 421be56..d0f0699 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,17 +3,15 @@
     "id": "concrete5",
     "packaging_format": 1,
     "description": {
-        "en": "Create a modern Website",
-        "fr": "Créer un site web moderne avec un CMS moderne"
+        "en": "Open Source Content Management System for Teams",
+        "fr": "Système de gestion de contenu Open Source pour les équipes"
     },
-    "version": "8.5.2~ynh2",
+    "version": "8.5.5~ynh1",
     "url": "www.concrete5.org",
     "upstream": {
         "license": "MIT",
         "website": "https://www.concrete5.org/",
-        "demo": "https://demo.example.com",
         "admindoc": "https://documentation.concrete5.org/",
-        "userdoc": "https://yunohost.org/apps",
         "code": "https://github.com/concrete5/concrete5"
     },
     "license": "MIT",
@@ -22,7 +20,7 @@
         "email": "win10@tutanota.com"
     },
     "requirements": {
-        "yunohost": ">= 4.1.3"
+        "yunohost": ">= 4.2.0"
     },
     "multi_instance": true,
     "services": [
@@ -66,10 +64,6 @@
             {
                 "name": "password",
                 "type": "password",
-                "ask": {
-                    "en": "Set the administrator password",
-                    "fr": "Définissez le mot de passe administrateur"
-                },
                 "example": "Choose a password"
             },
             {
diff --git a/scripts/upgrade b/scripts/upgrade
index 8e70bb2..c34acf7 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,7 +19,6 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
-is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 language=$(ynh_app_setting_get --app=$app --key=language)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)