diff --git a/Dockerfile b/Dockerfile
index c9c7a22..d3986ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/node:25.9.0-alpine AS build
+FROM docker.io/library/node:26.0.0-alpine AS build
 
 ARG MARKDOWNLINT_VERSION=master