diff --git a/.github/funding.yml b/.github/funding.yml
deleted file mode 100644
index 07c8db1..0000000
--- a/.github/funding.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-github: sindresorhus
-open_collective: sindresorhus
-tidelift: npm/query-string
-custom: https://sindresorhus.com/donate
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d50ada6..31f93e9 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/base.d.ts b/base.d.ts
index f6bbd9a..4a2a3b0 100644
--- a/base.d.ts
+++ b/base.d.ts
@@ -220,7 +220,7 @@ export function parseUrl(url: string, options?: ParseOptions): ParsedUrl;
 
 export type StringifyOptions = {
 	/**
-	Strictly encode URI components with [`strict-uri-encode`](https://github.com/kevva/strict-uri-encode). It uses [`encodeURIComponent`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent) if set to `false`. You probably [don't care](https://github.com/sindresorhus/query-string/issues/42) about this option.
+	Strictly encode URI components. It uses [`encodeURIComponent`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent) if set to `false`. You probably [don't care](https://github.com/sindresorhus/query-string/issues/42) about this option.
 
 	@default true
 	*/
diff --git a/package.json b/package.json
index 41dc0e4..023fe2a 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
 		"types": "./index.d.ts",
 		"default": "./index.js"
 	},
+	"sideEffects": false,
 	"engines": {
 		"node": ">=14.16"
 	},
diff --git a/readme.md b/readme.md
index 85d9a71..537a7c4 100644
--- a/readme.md
+++ b/readme.md
@@ -236,7 +236,7 @@ Type: `object`
 Type: `boolean`\
 Default: `true`
 
-Strictly encode URI components with [strict-uri-encode](https://github.com/kevva/strict-uri-encode). It uses [encodeURIComponent](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent) if set to false. You probably [don't care](https://github.com/sindresorhus/query-string/issues/42) about this option.
+Strictly encode URI components. It uses [encodeURIComponent](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent) if set to false. You probably [don't care](https://github.com/sindresorhus/query-string/issues/42) about this option.
 
 ##### encode