diff --git a/README.md b/README.md
index b895994..66f7f14 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ LDAP and HTTP auth are supported through plugins
 
 #### Supported architectures
 
-* x86-64b - [![Build Status](https://ci-apps.yunohost.org/ci/logs/osticket%20%28Apps%29.svg)](https://ci-apps.yunohost.org/ci/apps/osticket/)
+* x86-64 - [![Build Status](https://ci-apps.yunohost.org/ci/logs/osticket%20%28Apps%29.svg)](https://ci-apps.yunohost.org/ci/apps/osticket/)
 * ARMv8-A - [![Build Status](https://ci-apps-arm.yunohost.org/ci/logs/osticket%20%28Apps%29.svg)](https://ci-apps-arm.yunohost.org/ci/apps/osticket/)
 
 ## Additional information
diff --git a/check_process b/check_process
index 7caa43a..8a8fc06 100644
--- a/check_process
+++ b/check_process
@@ -25,8 +25,6 @@
 		upgrade=1	from_commit=cadb10e497d938e0e684e43ac870a3807b4b60d9
 		backup_restore=1
 		multi_instance=1
-		# This test is no longer necessary since the version 2.7 (PR: https://github.com/YunoHost/yunohost/pull/304), you can still do it if your app could be installed with this version.
-		# incorrect_path=1
 		port_already_use=0
 		change_url=1
 ;;; Levels
diff --git a/manifest.json b/manifest.json
index 633006d..c8a36e4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -13,7 +13,7 @@
         "name": "yalh76"
     },
     "requirements": {
-        "yunohost": ">= 3.8.1"
+        "yunohost": ">= 4.0.0"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6e85e9e..a621e5e 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,7 +7,7 @@
 YNH_PHP_VERSION="7.3"
 
 # dependencies used by the app
-pkg_dependencies="php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-gettext php${YNH_PHP_VERSION}-imap php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-apcu php${YNH_PHP_VERSION}-curl"
+extra_php_dependencies="php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-gettext php${YNH_PHP_VERSION}-imap php${YNH_PHP_VERSION}-json php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-apcu php${YNH_PHP_VERSION}-curl"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/change_url b/scripts/change_url
index f49845b..db91b6d 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -30,11 +30,6 @@ ynh_print_info --message="Loading installation settings..."
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
-# Add settings here as needed by your application
-#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-#db_user=$db_name
-#db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
-
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
diff --git a/scripts/install b/scripts/install
index 4be4500..633e503 100644
--- a/scripts/install
+++ b/scripts/install
@@ -58,13 +58,6 @@ ynh_app_setting_set --app=$app --key=language --value=$language
 
 #=================================================
 # STANDARD MODIFICATIONS
-#=================================================
-# INSTALL DEPENDENCIES
-#=================================================
-ynh_print_info --message="Installing dependencies..."
-
-ynh_install_app_dependencies $pkg_dependencies
-
 #=================================================
 # CREATE A MYSQL DATABASE
 #=================================================
@@ -118,7 +111,7 @@ ynh_system_user_create --username=$app --home_dir=$final_path
 ynh_print_info --message="Configuring PHP-FPM..."
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --phpversion=$YNH_PHP_VERSION
+ynh_add_fpm_config --package="$extra_php_dependencies"
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 3700f08..7673887 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -31,14 +31,6 @@ ynh_print_info --message="Removing the MySQL database..."
 # Remove a database if it exists, along with the associated user
 ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
 
-#=================================================
-# REMOVE DEPENDENCIES
-#=================================================
-ynh_print_info --message="Removing dependencies..."
-
-# Remove metapackage and its dependencies
-ynh_remove_app_dependencies
-
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 0720373..6be59d4 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -84,16 +84,10 @@ ynh_print_info --message="Restoring PHP-FPM configuration..."
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
+ynh_add_fpm_config --package="$extra_php_dependencies"
+
 #=================================================
 # SPECIFIC RESTORATION
-#=================================================
-# REINSTALL DEPENDENCIES
-#=================================================
-ynh_print_info --message="Reinstalling dependencies..."
-
-# Define and install dependencies
-ynh_install_app_dependencies $pkg_dependencies
-
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 05d8c6a..02e35fd 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -140,7 +140,7 @@ ynh_system_user_create --username=$app
 ynh_print_info --message="Upgrading PHP-FPM configuration..."
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --phpversion=$YNH_PHP_VERSION
+ynh_add_fpm_config --package="$extra_php_dependencies"
 
 #=================================================
 # SPECIFIC UPGRADE