diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..72bd915
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @cloudnode-pro/development
diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
new file mode 100644
index 0000000..0840537
--- /dev/null
+++ b/.github/dependabot.yaml
@@ -0,0 +1,19 @@
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: "06:00"
+    reviewers:
+      - cloudnode-pro/development
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+      time: "06:00"
+    reviewers:
+      - cloudnode-pro/development
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 21a13b8..d7a7712 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,8 +12,8 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: 20
           registry-url: https://registry.npmjs.org/
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index 6a3ec1f..0000000
--- a/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2024 Cloudnode OÜ.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/README.md b/README.md
index 673310f..f5e6354 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,24 @@
 
 This plugin allows you to target parent nodes with a child that has `:focus-visible`.
 
-## Usage
+## Installation
 
 Install as dev-dependency using:
 
 ```sh
 npm i -D tailwindcss-focus-visible-within
 ```
+
+### Tailwind CSS v4
+
+Add the plugin to your style sheet:
+
+```css
+@plugin "tailwindcss-focus-visible-within";
+```
+
+### Tailwind CSS v3
+
 Add the plugin to your `tailwind.config.js`:
 
 ```js
@@ -17,12 +28,15 @@ module.exports = {
     // …
   },
   plugins: [
-    require('tailwindcss-focus-visible-within')
+    require("tailwindcss-focus-visible-within")
     // …
   ],
 }
 ```
-You can now apply Tailwind classes to a parent node that has an element child with the `focus-visible` state.
+
+## Usage
+
+You can apply Tailwind CSS classes to a parent node that has an element child with the `focus-visible` state.
 
 ```html
 <div class="focus-visible-within:…">
diff --git a/UNLICENSE b/UNLICENSE
new file mode 100644
index 0000000..efb9808
--- /dev/null
+++ b/UNLICENSE
@@ -0,0 +1,24 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org/>
diff --git a/package-lock.json b/package-lock.json
index 6a71d62..f961eb1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
     "": {
       "name": "tailwindcss-focus-visible-within",
       "version": "0.0.0-dev",
-      "license": "MIT",
+      "license": "Unlicense",
       "peerDependencies": {
         "tailwindcss": "^3.4.1"
       }
diff --git a/package.json b/package.json
index 65af6a0..547d164 100644
--- a/package.json
+++ b/package.json
@@ -18,12 +18,12 @@
     "tailwindcss-plugin"
   ],
   "author": "Cloudnode",
-  "license": "MIT",
+  "license": "Unlicense",
   "bugs": {
     "url": "https://github.com/cloudnode-pro/tailwindcss-focus-visible-within/issues"
   },
   "homepage": "https://github.com/cloudnode-pro/tailwindcss-focus-visible-within#readme",
   "peerDependencies": {
-    "tailwindcss": "^3.4.1"
+    "tailwindcss": "^3.4.1 || ^4.0.0"
   }
 }