diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index cb7eb71..dbc7678 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -3,7 +3,7 @@
 # ---------------------------------------------------------------------------
 # Stage 1: build the static site (Next.js "output: export" -> /app/out).
 # ---------------------------------------------------------------------------
-FROM node:22-alpine AS build
+FROM node:26-alpine AS build
 WORKDIR /app
 ENV NEXT_TELEMETRY_DISABLED=1 \
     NODE_OPTIONS=--max-old-space-size=1024