diff --git a/app/services/gateway/Dockerfile b/app/services/gateway/Dockerfile
index 20d24cb..851eab4 100644
--- a/app/services/gateway/Dockerfile
+++ b/app/services/gateway/Dockerfile
@@ -3,7 +3,7 @@
 # Build context must be the repo root (`app/services/`) so we can COPY
 # both the gateway source and the frontend source.
 
-FROM node:20-alpine AS spa-builder
+FROM node:25-alpine AS spa-builder
 WORKDIR /spa
 COPY frontend/package.json frontend/package-lock.json* ./
 RUN npm install --no-audit --no-fund