diff --git a/Dockerfile b/Dockerfile
index 829c901..6ff6fa8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18-bullseye-slim
+FROM node:20-bullseye-slim
 
 ENV MARKDOWNLINT_CLI_VERSION=v0.39.0