diff --git a/package.json b/package.json
index 7d3850b..619b940 100644
--- a/package.json
+++ b/package.json
@@ -32,13 +32,13 @@
     "test": "vitest run"
   },
   "devDependencies": {
-    "@types/node": "22.10.7",
-    "@vitest/coverage-v8": "3.0.1",
-    "eslint": "9.18.0",
-    "eslint-plugin-jsdoc": "50.6.1",
+    "@types/node": "22.13.1",
+    "@vitest/coverage-v8": "3.0.5",
+    "eslint": "9.20.0",
+    "eslint-plugin-jsdoc": "50.6.3",
     "hyparquet-compressors": "1.0.0",
     "typescript": "5.7.3",
-    "typescript-eslint": "8.20.0",
-    "vitest": "3.0.1"
+    "typescript-eslint": "8.23.0",
+    "vitest": "3.0.5"
   }
 }
diff --git a/test/convert.test.js b/test/convert.test.js
index bc35057..5491aba 100644
--- a/test/convert.test.js
+++ b/test/convert.test.js
@@ -51,14 +51,14 @@ describe('convert function', () => {
   })
 
   it('converts bigint to DECIMAL', () => {
-    const data = [BigInt(1000), BigInt(2000)]
+    const data = [1000n, 2000n]
     /** @type {SchemaElement} */
     const schemaElement = { name, converted_type: 'DECIMAL' }
     expect(convert(data, schemaElement)).toEqual([1000, 2000])
   })
 
   it('converts bigint to DECIMAL with scale', () => {
-    const data = [BigInt(10), BigInt(20)]
+    const data = [10n, 20n]
     /** @type {SchemaElement} */
     const schemaElement = { name, converted_type: 'DECIMAL', scale: 2 }
     expect(convert(data, schemaElement)).toEqual([0.1, 0.2])
@@ -114,7 +114,7 @@ describe('convert function', () => {
   })
 
   it('converts uint64', () => {
-    const data = [BigInt(100), BigInt(-100)]
+    const data = [100n, -100n]
     /** @type {SchemaElement} */
     const schemaElement = { name, converted_type: 'UINT_64' }
     expect(convert(data, schemaElement)).toEqual(new BigUint64Array([100n, 18446744073709551516n]))
diff --git a/test/plain.test.js b/test/plain.test.js
index 462daf2..a3c8744 100644
--- a/test/plain.test.js
+++ b/test/plain.test.js
@@ -39,7 +39,7 @@ describe('readPlain', () => {
 
   it('reads INT64 values', () => {
     const view = new DataView(new ArrayBuffer(8))
-    view.setBigInt64(0, BigInt('1234567890123456789'), true)
+    view.setBigInt64(0, 1234567890123456789n, true)
     const reader = { view, offset: 0 }
     const result = readPlain(reader, 'INT64', 1, undefined)
     expect(result).toEqual(new BigInt64Array([1234567890123456789n]))
@@ -48,7 +48,7 @@ describe('readPlain', () => {
 
   it('reads unaligned INT64 values', () => {
     const view = new DataView(new ArrayBuffer(9))
-    view.setBigInt64(1, BigInt('1234567890123456789'), true)
+    view.setBigInt64(1, 1234567890123456789n, true)
     const reader = { view, offset: 1 }
     const result = readPlain(reader, 'INT64', 1, undefined)
     expect(result).toEqual(new BigInt64Array([1234567890123456789n]))
diff --git a/test/utils.test.js b/test/utils.test.js
index d962fa2..eb3f59c 100644
--- a/test/utils.test.js
+++ b/test/utils.test.js
@@ -8,9 +8,9 @@ describe('toJson', () => {
   })
 
   it('convert bigint to number', () => {
-    expect(toJson(BigInt(123))).toBe(123)
-    expect(toJson([BigInt(123), BigInt(456)])).toEqual([123, 456])
-    expect(toJson({ a: BigInt(123), b: { c: BigInt(456) } })).toEqual({ a: 123, b: { c: 456 } })
+    expect(toJson(123n)).toBe(123)
+    expect(toJson([123n, 456n])).toEqual([123, 456])
+    expect(toJson({ a: 123n, b: { c: 456n } })).toEqual({ a: 123, b: { c: 456 } })
   })
 
   it('convert Uint8Array to array of numbers', () => {
@@ -23,7 +23,7 @@ describe('toJson', () => {
   })
 
   it('ignore undefined properties in objects', () => {
-    expect(toJson({ a: undefined, b: BigInt(123) })).toEqual({ b: 123 })
+    expect(toJson({ a: undefined, b: 123n })).toEqual({ b: 123 })
   })
 
   it('return null in objects unchanged', () => {