diff --git a/scripts/upgrade b/scripts/upgrade
index 2c7d833..f341038 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -81,6 +81,13 @@ 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..."
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================