diff --git a/etc/Dockerfile b/etc/Dockerfile
index a470506a..341c5600 100644
--- a/etc/Dockerfile
+++ b/etc/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:16
+FROM node:20
 
 WORKDIR /opt
 ADD package.json /opt
@@ -6,7 +6,7 @@ ADD package-lock.json /opt
 RUN npm ci
 COPY ./ /opt
 
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 RUN npm run build-web