diff --git a/scripts/_common.sh b/scripts/_common.sh
index 78111e4..9a8943f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,7 +7,7 @@
 YNH_PHP_VERSION="7.3"
 
 # dependencies used by the app
-extra_php_dependencies="php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-sqlite3 php${YNH_PHP_VERSION}-pgsql"
+pkg_dependencies="php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-sqlite3 php${YNH_PHP_VERSION}-pgsql"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 90dc8c8..2a08637 100644
--- a/scripts/install
+++ b/scripts/install
@@ -44,6 +44,13 @@ 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=$app --key=admin --value=$admin
 
+#=================================================
+# 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=1
 
 # Create a dedicated php-fpm config
-ynh_add_fpm_config --package="$extra_php_dependencies"
+ynh_add_fpm_config
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 8a37d88..73d78f8 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -19,6 +19,14 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Removing dependencies..." --weight=1
+
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 9504bb2..3d44252 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -70,6 +70,14 @@ ynh_script_progression --message="Reconfiguring PHP-FPM..." --weight=5
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
+#=================================================
+# 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 5ac1143..df1e417 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -99,13 +99,20 @@ 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
 #=================================================
 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
 
 #=================================================
 # RELOAD NGINX