diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index f393662..4a42ab2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -7,7 +7,7 @@ default_install_hook_types: [pre-commit, commit-msg]
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
       - id: check-case-conflict
       - id: check-symlinks
@@ -28,14 +28,14 @@ repos:
           - svelte
 
   - repo: https://github.com/codespell-project/codespell
-    rev: v2.2.5
+    rev: v2.2.6
     hooks:
       - id: codespell
         stages: [commit, commit-msg]
         args: [--ignore-words-list, falsy]
 
   - repo: https://github.com/pre-commit/mirrors-eslint
-    rev: v8.49.0
+    rev: v8.51.0
     hooks:
       - id: eslint
         types: [file]
diff --git a/package.json b/package.json
index 7132e7c..cde5d42 100644
--- a/package.json
+++ b/package.json
@@ -23,33 +23,33 @@
     "update-coverage": "vitest tests/unit --run --coverage && npx istanbul-badges-readme"
   },
   "dependencies": {
-    "svelte": "^3.59.1"
+    "svelte": "^4.2.1"
   },
   "devDependencies": {
-    "@playwright/test": "1.35.1",
-    "@sveltejs/adapter-static": "^2.0.2",
-    "@sveltejs/kit": "^1.20.4",
-    "@sveltejs/package": "^2.0.2",
-    "@typescript-eslint/eslint-plugin": "^5.60.0",
-    "@typescript-eslint/parser": "^5.60.0",
-    "@vitest/coverage-v8": "^0.32.2",
-    "eslint": "^8.43.0",
-    "eslint-plugin-svelte": "^2.33.1",
-    "hastscript": "^7.2.0",
+    "@playwright/test": "1.38.1",
+    "@sveltejs/adapter-static": "^2.0.3",
+    "@sveltejs/kit": "^1.25.2",
+    "@sveltejs/package": "^2.2.2",
+    "@typescript-eslint/eslint-plugin": "^6.7.5",
+    "@typescript-eslint/parser": "^6.7.5",
+    "@vitest/coverage-v8": "^0.34.6",
+    "eslint": "^8.51.0",
+    "eslint-plugin-svelte": "^2.34.0",
+    "hastscript": "^8.0.0",
     "jsdom": "^22.1.0",
-    "mdsvex": "^0.10.6",
-    "mdsvexamples": "^0.3.3",
-    "prettier": "^2.8.8",
-    "prettier-plugin-svelte": "^2.10.1",
-    "rehype-autolink-headings": "^6.1.1",
-    "rehype-slug": "^5.1.0",
-    "svelte-check": "^3.4.3",
+    "mdsvex": "^0.11.0",
+    "mdsvexamples": "^0.4.1",
+    "prettier": "^3.0.3",
+    "prettier-plugin-svelte": "^3.0.3",
+    "rehype-autolink-headings": "^7.0.0",
+    "rehype-slug": "^6.0.0",
+    "svelte-check": "^3.5.2",
     "svelte-preprocess": "^5.0.4",
-    "svelte-zoo": "^0.4.8",
-    "svelte2tsx": "^0.6.15",
-    "typescript": "5.1.3",
-    "vite": "^4.3.9",
-    "vitest": "^0.32.2"
+    "svelte-zoo": "^0.4.9",
+    "svelte2tsx": "^0.6.23",
+    "typescript": "5.2.2",
+    "vite": "^4.4.11",
+    "vitest": "^0.34.6"
   },
   "keywords": [
     "svelte",
@@ -72,6 +72,7 @@
       "default": "./dist/index.js"
     }
   },
+  "types": "./dist/index.d.ts",
   "files": [
     "dist"
   ]
diff --git a/readme.md b/readme.md
index c99e402..7fc664c 100644
--- a/readme.md
+++ b/readme.md
@@ -250,7 +250,7 @@ The HTML structure of this component is
 - `aside.toc`
   - `z-index: var(--toc-z-index, 1)`: Applies on both mobile and desktop.
 - `aside.toc > nav`
-  - `overflow: var(--toc-overflow, auto scroll)`
+  - `overflow: var(--toc-overflow, auto)`
   - `min-width: var(--toc-min-width)`
   - `max-width: var(--toc-desktop-max-width)`
   - `width: var(--toc-width)`
diff --git a/src/lib/Toc.svelte b/src/lib/Toc.svelte
index 8a13561..cfa4098 100644
--- a/src/lib/Toc.svelte
+++ b/src/lib/Toc.svelte
@@ -187,7 +187,7 @@
     z-index: var(--toc-z-index, 1);
   }
   :where(aside.toc > nav) {
-    overflow: var(--toc-overflow, auto scroll);
+    overflow: var(--toc-overflow, auto);
     overscroll-behavior: contain;
     max-height: var(--toc-max-height, 90vh);
     padding: var(--toc-padding, 1em 1em 0);