diff --git a/node/Containerfile b/node/Containerfile
index a1cf8cf..111d716 100644
--- a/node/Containerfile
+++ b/node/Containerfile
@@ -1,8 +1,8 @@
-FROM reg.zknt.org/zknt/alpine:3.16
+FROM reg.zknt.org/zknt/alpine:3.17
 
-ARG NODE_VERSION 16
+ARG NODE_VERSION=18
 
 RUN set -xe;\
   apk update &&\
-  apk add $(apk search nodejs- | grep nodejs-16 | sed -e 's#js-#js=#') yarn &&\
+  apk add $(apk search nodejs- | grep nodejs-${NODE_VERSION} | sed -e 's#js-#js=#') yarn &&\
   rm /var/cache/apk/*
diff --git a/pinafore/Containerfile b/pinafore/Containerfile
index 4923301..822f21c 100644
--- a/pinafore/Containerfile
+++ b/pinafore/Containerfile
@@ -1,4 +1,4 @@
-FROM reg.zknt.org/zknt/node:16
+FROM reg.zknt.org/zknt/node:18
 
 ENV VERSION v2.3.2