diff --git a/packages/wp-now/src/main.ts b/packages/wp-now/src/main.ts
index dd0b847d26..99f8fa5f6d 100644
--- a/packages/wp-now/src/main.ts
+++ b/packages/wp-now/src/main.ts
@@ -1,3 +1,14 @@
 import { runCli } from './run-cli';
 
+const requiredMajorVersion = 18;
+
+const currentNodeVersion = parseInt(process.versions.node.split('.')[0]);
+
+if (currentNodeVersion < requiredMajorVersion) {
+	console.error(
+		`You are running Node.js version ${currentNodeVersion}, but this application requires at least Node.js ${requiredMajorVersion}. Please upgrade your Node.js version.`
+	);
+	process.exit(1);
+}
+
 runCli();