diff --git a/.github/workflows/Release.yml b/.github/workflows/Release.yml
index 5df01080..09026b5b 100644
--- a/.github/workflows/Release.yml
+++ b/.github/workflows/Release.yml
@@ -21,7 +21,7 @@ jobs:
         with:
           node-version: 18
 
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
 
       - name: Install Dependencies
         run: pnpm install
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0f11f6aa..0cbede8e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup Node.js
         uses: actions/setup-node@v4
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
       - name: Install
         run: pnpm install
       - name: Lint
@@ -35,7 +35,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
       - name: Install
         run: pnpm install
       - name: Test
@@ -59,7 +59,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-      - uses: pnpm/action-setup@v2
+      - uses: pnpm/action-setup@v4
       - name: Install
         run: pnpm add eslint@${{ matrix.eslint }}
       - name: Test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index afe85860..726835c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @intlify/eslint-plugin-vue-i18n
 
+## 4.0.1
+
+### Patch Changes
+
+- [#631](https://github.com/intlify/eslint-plugin-vue-i18n/pull/631) [`04d7c15`](https://github.com/intlify/eslint-plugin-vue-i18n/commit/04d7c15c7d1b468db9467590aab4e309dfaa6c47) Thanks [@f-lawe](https://github.com/f-lawe)! - Add Typescript config files to supported filename list
+
 ## 4.0.0
 
 ### Major Changes
diff --git a/README.md b/README.md
index f1ea4439..a06679f2 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <h1 align="center">@intlify/eslint-plugin-vue-i18n</h1>
 <p align="center">
-  <a href="https://github.com/intlify/eslint-plugin-vue-i18n/actions?query=workflow%3ATest"><img src="https://github.com/intlify/eslint-plugin-vue-i18n/workflows/Test/badge.svg?branch=master" alt="Test Status"></a>
+  <a href="https://github.com/intlify/eslint-plugin-vue-i18n/actions?query=workflow%3ATest"><img src="https://github.com/intlify/eslint-plugin-vue-i18n/actions/workflows/test.yml/badge.svg" alt="Test Status"></a>
 </p>
 <p align="center">
   <a href="https://www.npmjs.com/package/@intlify/eslint-plugin-vue-i18n"><img src="https://img.shields.io/npm/v/@intlify/eslint-plugin-vue-i18n.svg" alt="NPM"></a>
diff --git a/lib/utils/parser-config-resolver/should-use-flat-config.ts b/lib/utils/parser-config-resolver/should-use-flat-config.ts
index 837716fe..1ac9afc1 100644
--- a/lib/utils/parser-config-resolver/should-use-flat-config.ts
+++ b/lib/utils/parser-config-resolver/should-use-flat-config.ts
@@ -6,7 +6,10 @@ import fs from 'fs'
 const FLAT_CONFIG_FILENAMES = [
   'eslint.config.js',
   'eslint.config.mjs',
-  'eslint.config.cjs'
+  'eslint.config.cjs',
+  'eslint.config.ts',
+  'eslint.config.mts',
+  'eslint.config.cts'
 ]
 /**
  * Returns whether flat config should be used.
diff --git a/package.json b/package.json
index 9f5e45d4..c65797fa 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@intlify/eslint-plugin-vue-i18n",
   "description": "ESLint plugin for Vue I18n",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "license": "MIT",
   "homepage": "https://github.com/intlify/eslint-plugin-vue-i18n#readme",
   "keywords": [
@@ -29,7 +29,7 @@
   "engines": {
     "node": ">=18.0.0"
   },
-  "packageManager": "pnpm@10.5.2",
+  "packageManager": "pnpm@10.12.1",
   "type": "commonjs",
   "files": [
     "dist"
@@ -75,7 +75,7 @@
     "lodash": "^4.17.21",
     "parse5": "^7.1.2",
     "semver": "^7.5.4",
-    "synckit": "^0.9.0"
+    "synckit": "^0.10.0"
   },
   "devDependencies": {
     "@changesets/changelog-github": "^0.5.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fab6d507..8582155a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -54,8 +54,8 @@ importers:
         specifier: ^7.5.4
         version: 7.5.4
       synckit:
-        specifier: ^0.9.0
-        version: 0.9.0
+        specifier: ^0.10.0
+        version: 0.10.0
     devDependencies:
       '@changesets/changelog-github':
         specifier: ^0.5.0
@@ -2914,12 +2914,12 @@ packages:
     resolution: {integrity: sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==}
     engines: {node: '>= 0.4'}
 
-  synckit@0.8.8:
-    resolution: {integrity: sha512-HwOKAP7Wc5aRGYdKH+dw0PRRpbO841v2DENBtjnR5HFWoiNByAl7vrx3p0G/rCyYXQsrxqtX48TImFtPcIHSpQ==}
+  synckit@0.10.0:
+    resolution: {integrity: sha512-Jiv0SYq91y6UGQGDpxIxhlPSX/hcq/f9XExoge2+muBGUmURpQ+DUUzf6MpgJQZCOAfI/uT5BDC5X8hlQb1Fkg==}
     engines: {node: ^14.18.0 || >=16.0.0}
 
-  synckit@0.9.0:
-    resolution: {integrity: sha512-7RnqIMq572L8PeEzKeBINYEJDDxpcH8JEgLwUqBd3TkofhFRbkq4QLR0u+36avGAhCRbk2nnmjcW9SE531hPDg==}
+  synckit@0.8.8:
+    resolution: {integrity: sha512-HwOKAP7Wc5aRGYdKH+dw0PRRpbO841v2DENBtjnR5HFWoiNByAl7vrx3p0G/rCyYXQsrxqtX48TImFtPcIHSpQ==}
     engines: {node: ^14.18.0 || >=16.0.0}
 
   tabbable@6.2.0:
@@ -2978,6 +2978,9 @@ packages:
   tslib@2.6.2:
     resolution: {integrity: sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==}
 
+  tslib@2.8.1:
+    resolution: {integrity: sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==}
+
   tty-table@4.2.1:
     resolution: {integrity: sha512-xz0uKo+KakCQ+Dxj1D/tKn2FSyreSYWzdkL/BYhgN6oMW808g8QRMuh1atAV9fjTPbWBjfbkKQpI/5rEcnAc7g==}
     engines: {node: '>=8.0.0'}
@@ -6241,12 +6244,12 @@ snapshots:
 
   supports-preserve-symlinks-flag@1.0.0: {}
 
-  synckit@0.8.8:
+  synckit@0.10.0:
     dependencies:
       '@pkgr/core': 0.1.1
-      tslib: 2.6.2
+      tslib: 2.8.1
 
-  synckit@0.9.0:
+  synckit@0.8.8:
     dependencies:
       '@pkgr/core': 0.1.1
       tslib: 2.6.2
@@ -6301,6 +6304,8 @@ snapshots:
 
   tslib@2.6.2: {}
 
+  tslib@2.8.1: {}
+
   tty-table@4.2.1:
     dependencies:
       chalk: 4.1.2