diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 10bb5ee..d588995 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,8 +14,8 @@ jobs:
           - 16
           - 14
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install
diff --git a/examples/rainbow.js b/examples/rainbow.js
index cfc4cef..5b2b1d2 100644
--- a/examples/rainbow.js
+++ b/examples/rainbow.js
@@ -10,7 +10,7 @@ function rainbow(string, offset) {
 		return string;
 	}
 
-	const hueStep = 360 / string.replace(ignoreChars, '').length;
+	const hueStep = 360 / string.replaceAll(ignoreChars, '').length;
 
 	let hue = offset % 360;
 	const characters = [];
diff --git a/package.json b/package.json
index 3c50010..4eb7f11 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
 		}
 	},
 	"types": "./source/index.d.ts",
+	"sideEffects": false,
 	"engines": {
 		"node": "^12.17.0 || ^14.13 || >=16.0.0"
 	},
@@ -58,10 +59,9 @@
 		"log-update": "^5.0.0",
 		"matcha": "^0.7.0",
 		"tsd": "^0.19.0",
-		"xo": "^0.53.0",
+		"xo": "^0.57.0",
 		"yoctodelay": "^2.0.0"
 	},
-	"sideEffects": false,
 	"xo": {
 		"rules": {
 			"unicorn/prefer-string-slice": "off",
diff --git a/readme.md b/readme.md
index d52688b..6aa0119 100644
--- a/readme.md
+++ b/readme.md
@@ -15,48 +15,6 @@
 
 ![](media/screenshot.png)
 
-<br>
-
----
-
-<div align="center">
-	<p>
-		<p>
-			<sup>
-				Sindre Sorhus' open source work is supported by the community on <a href="https://github.com/sponsors/sindresorhus">GitHub Sponsors</a>
-			</sup>
-		</p>
-		<sup>Special thanks to:</sup>
-		<br>
-		<br>
-		<a href="https://standardresume.co/tech">
-			<img src="https://sindresorhus.com/assets/thanks/standard-resume-logo.svg" width="160">
-		</a>
-		<br>
-		<br>
-		<a href="https://retool.com/?utm_campaign=sindresorhus">
-			<img src="https://sindresorhus.com/assets/thanks/retool-logo.svg" width="230">
-		</a>
-		<br>
-		<br>
-		<a href="https://strapi.io/?ref=sindresorhus">
-			<div>
-				<img src="https://sindresorhus.com/assets/thanks/strapi-logo-white-bg.png" width="220" alt="Strapi">
-			</div>
-			<b>Strapi is the leading open-source headless CMS.</b>
-			<div>
-				<sup>It’s 100% JavaScript, fully customizable, and developer-first.</sup>
-			</div>
-		</a>
-		<br>
-		<br>
-	</p>
-</div>
-
----
-
-<br>
-
 ## Highlights
 
 - Expressive API
diff --git a/source/index.d.ts b/source/index.d.ts
index b0cd2ae..8295d92 100644
--- a/source/index.d.ts
+++ b/source/index.d.ts
@@ -1,7 +1,12 @@
 // TODO: Make it this when TS suports that.
 // import {ModifierName, ForegroundColor, BackgroundColor, ColorName} from '#ansi-styles';
 // import {ColorInfo, ColorSupportLevel} from '#supports-color';
-import {ModifierName, ForegroundColorName, BackgroundColorName, ColorName} from './vendor/ansi-styles/index.js';
+import {
+	ModifierName,
+	ForegroundColorName,
+	BackgroundColorName,
+	ColorName,
+} from './vendor/ansi-styles/index.js';
 import {ColorInfo, ColorSupportLevel} from './vendor/supports-color/index.js';
 
 export interface Options {
diff --git a/source/index.test-d.ts b/source/index.test-d.ts
index e729675..92da39d 100644
--- a/source/index.test-d.ts
+++ b/source/index.test-d.ts
@@ -1,7 +1,22 @@
-import {expectType, expectAssignable, expectError, expectDeprecated} from 'tsd';
+import {
+	expectType,
+	expectAssignable,
+	expectError,
+	expectDeprecated,
+} from 'tsd';
 import chalk, {
-	Chalk, ChalkInstance, ColorInfo, ColorSupport, ColorSupportLevel, chalkStderr, supportsColor, supportsColorStderr,
-	ModifierName, ForegroundColorName, BackgroundColorName, ColorName,
+	Chalk,
+	ChalkInstance,
+	ColorInfo,
+	ColorSupport,
+	ColorSupportLevel,
+	chalkStderr,
+	supportsColor,
+	supportsColorStderr,
+	ModifierName,
+	ForegroundColorName,
+	BackgroundColorName,
+	ColorName,
 	Modifiers,
 } from './index.js';