diff --git a/LICENSE b/LICENSE
index 8e4b50c..e3df341 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright © 2022 三咲智子 (https://github.com/sxzz)
+Copyright © 2022-PRESENT 三咲智子 (https://github.com/sxzz)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index d6245b7..95ed489 100644
--- a/README.md
+++ b/README.md
@@ -123,7 +123,6 @@ jsxToString(
 // "<div><p>foo</p><p>bar</p><br/><div/>123</div>"
 ```
 
-
 ## Benchmark
 
 ```
@@ -134,7 +133,7 @@ jsxToString(
 <small>
 Tested on Apple M1 Max / 32GB
 
-*More samples are welcome.*
+_More samples are welcome._
 </small>
 
 ## Sponsors
@@ -147,4 +146,4 @@ Tested on Apple M1 Max / 32GB
 
 ## License
 
-[MIT](./LICENSE) License © 2022 [三咲智子](https://github.com/sxzz)
+[MIT](./LICENSE) License © 2022-PRESENT [三咲智子](https://github.com/sxzz)
diff --git a/package.json b/package.json
index 92c5cba..9a48e36 100644
--- a/package.json
+++ b/package.json
@@ -103,6 +103,6 @@
     "vitest": "^0.32.0"
   },
   "engines": {
-    "node": ">=14.19.0"
+    "node": ">=16.14.0"
   }
 }
diff --git a/tsup.config.ts b/tsup.config.ts
index 6cc1293..0197060 100644
--- a/tsup.config.ts
+++ b/tsup.config.ts
@@ -3,7 +3,7 @@ import { defineConfig } from 'tsup'
 export default defineConfig({
   entry: ['./src'],
   format: ['cjs', 'esm'],
-  target: 'node14',
+  target: 'node16.14',
   clean: true,
   dts: true,
 })