diff --git a/.npmrc b/.npmrc
new file mode 100644
index 00000000..b6f27f13
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+engine-strict=true
diff --git a/Dockerfile b/Dockerfile
index 2feec942..d27b91bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG NOTION_PAGE_ID
 ARG NEXT_PUBLIC_THEME
 
-FROM node:18-alpine3.18 AS base
+FROM node:20-alpine AS base
 
 # 1. Install dependencies only when needed
 FROM base AS deps
diff --git a/package.json b/package.json
index db1afbb7..9f1773fd 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,9 @@
   "version": "4.8.4",
   "homepage": "https://github.com/tangly1024/NotionNext.git",
   "license": "MIT",
+  "engines": {
+    "node": ">=20"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/tangly1024/NotionNext.git"