diff --git a/package.json b/package.json
index 9af4f3d..c8abf4c 100644
--- a/package.json
+++ b/package.json
@@ -20,12 +20,12 @@
   "devDependencies": {
     "@eslint-community/eslint-plugin-mysticatea": "^15.3.0",
     "@rollup/plugin-node-resolve": "^14.1.0",
-    "@types/eslint": "^6.8.1",
+    "@types/eslint": "^8.4.10",
     "@types/jsdom": "^16.2.15",
     "@types/mocha": "^9.1.1",
     "@types/node": "^12.20.55",
     "dts-bundle": "^0.7.3",
-    "eslint": "^6.8.0",
+    "eslint": "^8.31.0",
     "jsdom": "^19.0.0",
     "mocha": "^9.2.2",
     "npm-run-all": "^4.1.5",
diff --git a/scripts/update-unicode-ids.ts b/scripts/update-unicode-ids.ts
index 447008c..82fb809 100644
--- a/scripts/update-unicode-ids.ts
+++ b/scripts/update-unicode-ids.ts
@@ -1,6 +1,6 @@
 import fs from "fs"
 import http from "http"
-import { CLIEngine } from "eslint"
+import { ESLint } from "eslint"
 
 const DB_URL = "http://unicode.org/Public/UNIDATA/DerivedCoreProperties.txt"
 const FILE_PATH = "src/unicode/ids.ts"
@@ -108,11 +108,11 @@ function restoreRanges(data: string): number[] {
 `
 
     logger.log("Formatting code...")
-    const engine = new CLIEngine({
+    const engine = new ESLint({
         fix: true,
-        rules: { curly: "off" },
+        baseConfig: { rules: { curly: "off" } },
     })
-    const result = engine.executeOnText(code, "ids.ts").results[0]
+    const [result] = await engine.lintText(code, { filePath: "ids.ts" })
     code = result.output ?? code
 
     logger.log("Writing '%s'...", FILE_PATH)
diff --git a/scripts/update-unicode-properties.ts b/scripts/update-unicode-properties.ts
index f14ad29..08d1088 100644
--- a/scripts/update-unicode-properties.ts
+++ b/scripts/update-unicode-properties.ts
@@ -1,7 +1,7 @@
 import fs from "fs"
 import type { DOMWindow } from "jsdom"
 import { JSDOM } from "jsdom"
-import { CLIEngine } from "eslint"
+import { ESLint } from "eslint"
 
 const DataSources = [
     {
@@ -141,8 +141,8 @@ export function isValidLoneUnicodeProperty(version: number, value: string): bool
 `
 
     logger.log("Formatting code...")
-    const engine = new CLIEngine({ fix: true })
-    const result = engine.executeOnText(code, "properties.ts").results[0]
+    const engine = new ESLint({ fix: true })
+    const [result] = await engine.lintText(code, { filePath: "properties.ts" })
     code = result.output ?? code
 
     logger.log("Writing '%s'...", FILE_PATH)