diff --git a/test/Dockerfile b/test/Dockerfile
index 09f30fd..12a7286 100644
--- a/test/Dockerfile
+++ b/test/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-bookworm-slim
+FROM node:25-bookworm-slim
 WORKDIR /app
 COPY test/package.json test/package-lock.json ./
 # vitest.config.js must be writable (Vite writes a .timestamp-*.mjs file next to it).