diff --git a/README.md b/README.md
index e801934..a297919 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,12 @@ Hyparquet is a lightweight, pure JavaScript library for parsing [Apache Parquet]
 
 Hyparquet allows you to read and extract data from Parquet files directly in JavaScript environments, both in Node.js and in the browser. It is designed to be fast, memory-efficient, and easy to use.
 
+## Demo
+
+Online parquet file reader demo available at:
+
+https://hyparam.github.io/hyparquet/
+
 ## Why hyparquet?
 
 1. **Performant**: Designed to efficiently process large datasets by only loading the required data, making it suitable for big data and machine learning applications.
@@ -39,14 +45,6 @@ First, existing libraries like [parquetjs](https://github.com/ironSource/parquet
 Importantly, they do not support the kind of stream processing needed to make a really performant parser in the browser.
 And finally, no dependencies means that hyparquet is lean, and easy to package and deploy.
 
-## Demo
-
-Online parquet file reader demo available at:
-
-https://hyparam.github.io/hyparquet/
-
-Demo source: [index.html](index.html)
-
 ## Usage
 
 Install the hyparquet package from npm:
diff --git a/package.json b/package.json
index fb99cfd..e9a81f6 100644
--- a/package.json
+++ b/package.json
@@ -26,15 +26,15 @@
     "test": "vitest run"
   },
   "devDependencies": {
-    "@types/node": "20.14.9",
-    "@typescript-eslint/eslint-plugin": "7.14.1",
-    "@vitest/coverage-v8": "1.6.0",
+    "@types/node": "20.14.11",
+    "@typescript-eslint/eslint-plugin": "7.17.0",
+    "@vitest/coverage-v8": "2.0.4",
     "eslint": "8.57.0",
     "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-jsdoc": "48.5.0",
+    "eslint-plugin-jsdoc": "48.8.3",
     "http-server": "14.1.1",
     "hyparquet-compressors": "0.1.4",
-    "typescript": "5.4.5",
-    "vitest": "1.6.0"
+    "typescript": "5.5.4",
+    "vitest": "2.0.4"
   }
 }