diff --git a/Dockerfile b/Dockerfile
index 605af93c..080871e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # ── Frontend build stage ───────────────────────────────────────────────────────
-FROM node:22-alpine AS frontend-builder
+FROM node:26-alpine AS frontend-builder
 
 # Pin pnpm to the version in package.json's `packageManager` field (not @latest)
 # so CI builds are reproducible and match the committed lockfile.