diff --git a/manifest.json b/manifest.json
index b02f4f5..be5dfd9 100644
--- a/manifest.json
+++ b/manifest.json
@@ -20,7 +20,7 @@
         "email": ""
     },
     "requirements": {
-        "yunohost": ">= 4.2.4"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 87667cd..f058cd3 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -6,7 +6,7 @@
 
 YNH_PHP_VERSION="8.0"
 
-extra_php_dependencies="php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-sqlite3 php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-intl"
+pkg_dependencies="php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-fileinfo php${YNH_PHP_VERSION}-sqlite3 php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-intl"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 5b5560f..9acb875 100644
--- a/scripts/install
+++ b/scripts/install
@@ -47,6 +47,13 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=language --value=$language
 
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing dependencies..." --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
@@ -82,7 +89,7 @@ ynh_add_nginx_config
 ynh_script_progression --message="Configuring PHP-FPM..." --weight=3
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+ynh_add_fpm_config
 phpversion=$YNH_PHP_VERSION
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index f5fd81c..938aaa5 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -66,12 +66,19 @@ chown -R $app:www-data "$final_path"
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Restoring PHP-FPM configuration..."
+ynh_script_progression --message="Restoring PHP-FPM configuration..." --weight=1
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
-
 # Recreate a dedicated PHP-FPM config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+ynh_add_fpm_config
+
+#=================================================
+# REINSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Reinstalling dependencies..." --weight=1
+
+# Define and install dependencies
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 033dfe7..0651532 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,6 +28,20 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 upgrade_type=$(ynh_check_app_version_changed)
 
+#=================================================
+# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+#=================================================
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=5
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
@@ -46,20 +60,6 @@ if ynh_legacy_permissions_exists; then
 	ynh_app_setting_delete --app=$app --key=is_public
 fi
 
-#=================================================
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
-#=================================================
-ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=5
-
-# Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
-	# restore it if the upgrade fails
-	ynh_restore_upgradebackup
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -84,6 +84,13 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..." -
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
+#=================================================
+# UPGRADE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
@@ -98,7 +105,7 @@ ynh_system_user_create --username=$app
 ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
 
 # Create a dedicated php-fpm config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+ynh_add_fpm_config
 
 #=================================================
 # MODIFY A CONFIG FILE