diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..f6ffbc1
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1,2 @@
+# .npmrc
+engine-strict=true
diff --git a/package.json b/package.json
index 3ea2d80..b10989a 100644
--- a/package.json
+++ b/package.json
@@ -5,11 +5,10 @@
   "author": "tvdijen",
   "license": "LGPL-2.1-or-later",
   "engines": {
-    "node": ">=16.0.0",
-    "npm": ">=6.0.0"
+    "node": ">=18.0.0",
+    "npm": ">=8.0.0"
   },
   "scripts": {
-    "postinstall": "minimum-node-version || true",
     "build": "webpack"
   },
   "dependencies": {
@@ -18,7 +17,6 @@
     "es5-shim": "^4.6.7",
     "es6-shim": "^0.35.8",
     "highlight.js": "^11.9.0",
-    "minimum-node-version": "^3.0.0",
     "purecss": "^3.0",
     "reset-css": "^5.0.2"
   },