diff --git a/scripts/upgrade b/scripts/upgrade
index 80afde9..20aecb3 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -103,6 +103,13 @@ 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
 #=================================================