diff --git a/docker/Dockerfile b/docker/Dockerfile
index 67ce2ea8..71b20dfa 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,6 +1,6 @@
 # Keep the Docker base on Node 22 because the official Node 24/25 slim images
 # no longer publish linux/arm/v7 manifests, which breaks our armv7 Docker jobs.
-FROM node:22-bookworm-slim AS builder
+FROM node:26-bookworm-slim AS builder
 
 WORKDIR /app
 
@@ -18,7 +18,7 @@ COPY . .
 RUN npm run build:web && npm run build:server
 RUN npm prune --omit=dev --no-audit --no-fund
 
-FROM node:22-bookworm-slim
+FROM node:26-bookworm-slim
 
 WORKDIR /app