diff --git a/web/Dockerfile b/web/Dockerfile
index cd3a537..1bfa8bd 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -1,6 +1,6 @@
 FROM jwilder/dockerize:0.6.1 AS dockerize
 FROM roundcube/roundcubemail:1.6.x-fpm AS roundcube
-FROM composer:2.7 AS composer
+FROM composer:2.8 AS composer
 FROM php:8.3-fpm-alpine
 
 ARG ADMIN_VER=2.1.26 # renovate: depName=jeboehm/mailserver-admin