diff --git a/scripts/upgrade b/scripts/upgrade
index 362d2f3..de958f7 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -111,6 +111,13 @@ 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
+
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -134,10 +141,6 @@ ynh_use_logrotate --non-append
 # SECURE FILES AND DIRECTORIES
 #=================================================
 
-# TODO: improve permissions
-
-chown -R root: "$final_path"
-
 chown "$app" "$final_path/config"
 chmod 750 "$final_path/config"
 
@@ -147,30 +150,6 @@ do
     chmod 750 "$final_path/data/$folder"
 done
 
-#=================================================
-# SETUP SSOWAT
-#=================================================
-
-if [[ "$path_url" == "/" ]]
-then
-	# ynh panel is only comptable with non-root installation
-	ynh_replace_string "  include conf.d/" "  #include conf.d/" "$finalnginxconf"
-else
-	ynh_replace_string "^#sub_path_only"   ""                   "$finalnginxconf"
-fi
-ynh_store_file_checksum "$finalnginxconf"
-
-if [ $is_public -eq 0 ]
-then	# Remove the public access
-	ynh_app_setting_delete "$app" skipped_uris
-fi
-# Make app public if necessary
-if [ $is_public -eq 1 ]
-then
-	# unprotected_uris allows SSO credentials to be passed anyway
-	ynh_app_setting_set "$app" skipped_uris "/"
-fi
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
@@ -180,33 +159,8 @@ ynh_script_progression --message="Reloading NGINX web server..." --weight=2
 
 ynh_systemd_action --service_name=nginx --action=reload
 
-#=================================================
-# SEND A README FOR THE ADMIN
-#=================================================
-
-message="Galette need you to finish the update manually.
-
-Please open "$domain/$path_url" and finish the upgrade process.
-
-You may need database information:
-Type: mysql
-Host: localhost
-Port: 3306
-User: "$db_name"
-Password: "$db_pwd"
-Name: "$db_name"
-
-Important! Once done, please remember to run as root or with sudo:
-\`chmod -R 500 "$final_path/config"\`
-\`rm -fr "$final_path/install"\`
-
-If you facing an issue or want to improve this app, please open a new issue in this project: https://github.com/YunoHost-Apps/galette_ynh"
-
-ynh_send_readme_to_admin "$message"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
 
 ynh_script_progression --message="Upgrade of $app completed" --last
-