diff --git a/src/dock/Dockerfile b/src/dock/Dockerfile
index 123f2ec9..58def29f 100644
--- a/src/dock/Dockerfile
+++ b/src/dock/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:15.14.0-stretch
+FROM node:18-buster
 WORKDIR /grid
 COPY package.json /grid
 COPY app.js /grid