diff --git a/scripts/upgrade b/scripts/upgrade
index c912377..99878f5 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -79,21 +79,27 @@ ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config --package="$extra_php_dependencies"
 
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+ynh_script_progression --message="Upgrading Composer..." --weight=1
+
+# Upgrade composer itself
+ynh_install_composer
+
 #=================================================
 # INSTALL AND INITIALIZE COMPOSER
 #=================================================
 ynh_script_progression --message="Installing Composer..." --weight=10
 
-# Install Composer
-ynh_install_composer --phpversion=$phpversion --workdir=$final_path --install_args="--no-dev"
-
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
+	# install the PHP dependencies using Composer
+	ynh_exec_warn_less ynh_composer_exec --commands="install --no-dev"
+
 	ynh_script_progression --message="Upgrading source files..." --weight=4
 	pushd $final_path
-		php$phpversion artisan migrate
-		php$phpversion artisan cache:clear
-		php$phpversion artisan view:clear
+		php$phpversion artisan migrate && php$phpversion artisan cache:clear && php$phpversion artisan view:clear
 	popd
 fi