diff --git a/.github/actions/repomix/action.yml b/.github/actions/repomix/action.yml
index a8461fd53..e1490af8b 100644
--- a/.github/actions/repomix/action.yml
+++ b/.github/actions/repomix/action.yml
@@ -3,7 +3,7 @@ description: "Pack repository contents into a single file that is easy for LLMs
 author: "Kazuki Yamada <koukun0120@gmail.com>"
 branding:
   icon: archive
-  color: purple
+  color: orange
 
 inputs:
   directories:
@@ -59,37 +59,37 @@ runs:
         # Using an array for safer command execution
         # Safely split directories input into an array, handling spaces correctly
         IFS=' ' read -r -a ARGS <<< "${{ inputs.directories }}"
-        
+
         if [ -n "${{ inputs.include }}" ]; then
           ARGS+=(--include "${{ inputs.include }}")
         fi
-        
+
         if [ -n "${{ inputs.ignore }}" ]; then
           ARGS+=(--ignore "${{ inputs.ignore }}")
         fi
-        
+
         if [ "${{ inputs.compress }}" = "false" ]; then
           ARGS+=(--no-compress)
         else
           ARGS+=(--compress)
         fi
-        
+
         if [ -n "${{ inputs.style }}" ]; then
           ARGS+=(--style "${{ inputs.style }}")
         fi
-        
+
         ARGS+=(--output "${{ inputs.output }}")
-        
+
         # Only add additional args if not empty
         if [ -n "${{ inputs.additional-args }}" ]; then
           # Use safer parsing for additional arguments
           IFS=' ' read -r -a ADDITIONAL_ARGS <<< "${{ inputs.additional-args }}"
           ARGS+=("${ADDITIONAL_ARGS[@]}")
         fi
-        
+
         echo "Running: repomix ${ARGS[*]}"
         repomix "${ARGS[@]}"
-        
+
         echo "output_file=${{ inputs.output }}" >> "$GITHUB_OUTPUT"
 
 outputs:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3bfbd420a..996498491 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -119,7 +119,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [18.0.0, 18.x, 19.x, 20.x, 21.x, 22.x, 23.x, 24.x]
+        node-version: [20.x, 21.x, 22.x, 23.x, 24.x]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # ratchet:actions/checkout@v4
@@ -179,7 +179,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [18.0.0, 18.x, 19.x, 20.x, 21.x, 22.x, 23.x, 24.x]
+        node-version: [20.x, 21.x, 22.x, 23.x, 24.x]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # ratchet:actions/checkout@v4
diff --git a/llms-install.md b/llms-install.md
index a5e17e012..c0ccb79f8 100644
--- a/llms-install.md
+++ b/llms-install.md
@@ -10,7 +10,7 @@ Repomix MCP server is a powerful tool that packages local or remote codebases in
 
 Before installation, you need:
 
-1. Node.js 18.0.0 or higher
+1. Node.js 20.0.0 or higher
 2. npm (Node Package Manager)
 
 ## Installation and Configuration
diff --git a/package.json b/package.json
index 190413d30..04c17e841 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
     "vitest": "^3.1.1"
   },
   "engines": {
-    "node": ">=18.0.0",
+    "node": ">=20.0.0",
     "yarn": ">=1.22.22"
   }
 }
diff --git a/website/client/src/de/guide/development/index.md b/website/client/src/de/guide/development/index.md
index 447f0a0dc..5ca0865bd 100644
--- a/website/client/src/de/guide/development/index.md
+++ b/website/client/src/de/guide/development/index.md
@@ -51,7 +51,7 @@ npm run lint
 
 ### Voraussetzungen
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker (optional, für die Ausführung der Website oder containerisierte Entwicklung)
diff --git a/website/client/src/de/guide/installation.md b/website/client/src/de/guide/installation.md
index 9513ea371..d538bc832 100644
--- a/website/client/src/de/guide/installation.md
+++ b/website/client/src/de/guide/installation.md
@@ -71,7 +71,7 @@ Erhalten Sie direkten Zugang zu Repomix von jedem GitHub-Repository! Unsere Chro
 
 ## Systemanforderungen
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: Erforderlich für die Verarbeitung von Remote-Repositories
 
 ## Überprüfung
diff --git a/website/client/src/en/guide/development/index.md b/website/client/src/en/guide/development/index.md
index 89b6b78bc..a840f0455 100644
--- a/website/client/src/en/guide/development/index.md
+++ b/website/client/src/en/guide/development/index.md
@@ -15,7 +15,7 @@ Thank you for your interest in **Repomix**! 🚀 We'd love your help to make it
 
 ### Prerequisites
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker (optional, for running the website or containerized development)
diff --git a/website/client/src/en/guide/installation.md b/website/client/src/en/guide/installation.md
index bfdb21e9a..7ef43f7bb 100644
--- a/website/client/src/en/guide/installation.md
+++ b/website/client/src/en/guide/installation.md
@@ -71,7 +71,7 @@ Get instant access to Repomix directly from any GitHub repository! Our Chrome ex
 
 ## System Requirements
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: Required for remote repository processing
 
 ## Verification
diff --git a/website/client/src/es/guide/development/index.md b/website/client/src/es/guide/development/index.md
index f76289d19..d3b15bf31 100644
--- a/website/client/src/es/guide/development/index.md
+++ b/website/client/src/es/guide/development/index.md
@@ -51,7 +51,7 @@ npm run lint
 
 ### Requisitos previos
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker (opcional, para ejecutar el sitio web o el desarrollo en contenedores)
diff --git a/website/client/src/es/guide/installation.md b/website/client/src/es/guide/installation.md
index 6ad53379c..dc511a6a2 100644
--- a/website/client/src/es/guide/installation.md
+++ b/website/client/src/es/guide/installation.md
@@ -71,7 +71,7 @@ Instálala desde el [VSCode Marketplace](https://marketplace.visualstudio.com/it
 
 ## Requisitos del sistema
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: Requerido para el procesamiento de repositorios remotos
 
 ## Verificación
diff --git a/website/client/src/fr/guide/development/index.md b/website/client/src/fr/guide/development/index.md
index e6b8218fb..0207f53d4 100644
--- a/website/client/src/fr/guide/development/index.md
+++ b/website/client/src/fr/guide/development/index.md
@@ -49,7 +49,7 @@ npm run lint
 
 ### Prérequis
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker (optionnel, pour exécuter le site web ou le développement conteneurisé)
diff --git a/website/client/src/fr/guide/installation.md b/website/client/src/fr/guide/installation.md
index 395e9f942..df90153eb 100644
--- a/website/client/src/fr/guide/installation.md
+++ b/website/client/src/fr/guide/installation.md
@@ -73,7 +73,7 @@ Accédez instantanément à Repomix directement depuis n'importe quel dépôt Gi
 
 ## Configuration requise
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: Requis pour le traitement des dépôts distants
 
 ## Vérification
diff --git a/website/client/src/hi/guide/development/index.md b/website/client/src/hi/guide/development/index.md
index f7e911800..1d264ef8a 100644
--- a/website/client/src/hi/guide/development/index.md
+++ b/website/client/src/hi/guide/development/index.md
@@ -6,7 +6,7 @@ Repomix एक ओपन सोर्स प्रोजेक्ट है औ
 
 ### आवश्यकताएँ
 
-- Node.js (v18 या उच्चतर)
+- Node.js (v20 या उच्चतर)
 - npm, yarn, या pnpm
 - Git
 
diff --git a/website/client/src/hi/guide/github-actions.md b/website/client/src/hi/guide/github-actions.md
index e5691e671..95395e2ba 100644
--- a/website/client/src/hi/guide/github-actions.md
+++ b/website/client/src/hi/guide/github-actions.md
@@ -26,7 +26,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '20'
       
       - name: Run Repomix
         run: npx repomix --output-file repomix-output.xml
@@ -66,7 +66,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '20'
       
       - name: Run Repomix
         run: |
@@ -123,7 +123,7 @@ jobs:
     strategy:
       matrix:
         output-style: [xml, markdown, plain]
-        node-version: [16, 18, 20]
+        node-version: [20, 22]
     steps:
       - uses: actions/checkout@v3
       
diff --git a/website/client/src/id/guide/development/index.md b/website/client/src/id/guide/development/index.md
index a7f526dd0..85f41b83c 100644
--- a/website/client/src/id/guide/development/index.md
+++ b/website/client/src/id/guide/development/index.md
@@ -9,7 +9,7 @@ Kami sangat menghargai kontribusi dari komunitas! Halaman ini memberikan panduan
 
 Untuk berkontribusi ke Repomix, Anda akan memerlukan:
 
-- [Node.js](https://nodejs.org/) (versi 18 atau lebih baru)
+- [Node.js](https://nodejs.org/) (versi 20 atau lebih baru)
 - [Git](https://git-scm.com/)
 - Editor kode (kami merekomendasikan [Visual Studio Code](https://code.visualstudio.com/))
 
diff --git a/website/client/src/ja/guide/development/index.md b/website/client/src/ja/guide/development/index.md
index dbac0435d..6728fd725 100644
--- a/website/client/src/ja/guide/development/index.md
+++ b/website/client/src/ja/guide/development/index.md
@@ -15,7 +15,7 @@ Repomixにご興味をお持ちいただきありがとうございます！🚀
 
 ### 前提条件
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker（オプション、ウェブサイトの実行やコンテナ化された開発用）
diff --git a/website/client/src/ja/guide/installation.md b/website/client/src/ja/guide/installation.md
index f38574e2d..216caf34d 100644
--- a/website/client/src/ja/guide/installation.md
+++ b/website/client/src/ja/guide/installation.md
@@ -71,7 +71,7 @@ GitHubリポジトリから直接Repomixにアクセスできます！Chrome拡
 
 ## システム要件
 
-- Node.js: 18.0.0 以上
+- Node.js: 20.0.0 以上
 - Git: リモートリポジトリを処理する場合はインストールしてください
 
 ## インストールの確認
diff --git a/website/client/src/ko/guide/development/index.md b/website/client/src/ko/guide/development/index.md
index 845fca06c..94a6aba26 100644
--- a/website/client/src/ko/guide/development/index.md
+++ b/website/client/src/ko/guide/development/index.md
@@ -51,7 +51,7 @@ npm run lint
 
 ### 필수 구성 요소
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker (선택 사항, 웹사이트 실행 또는 컨테이너화된 개발용)
diff --git a/website/client/src/ko/guide/installation.md b/website/client/src/ko/guide/installation.md
index fd738585e..9bb58e8b2 100644
--- a/website/client/src/ko/guide/installation.md
+++ b/website/client/src/ko/guide/installation.md
@@ -71,7 +71,7 @@ GitHub 저장소에서 직접 Repomix에 액세스하세요! Chrome 확장 프
 
 ## 시스템 요구 사항
 
-- Node.js: 18.0.0 이상
+- Node.js: 20.0.0 이상
 - Git: 원격 저장소 처리 시 필요
 
 ## 설치 확인
diff --git a/website/client/src/pt-br/guide/development/index.md b/website/client/src/pt-br/guide/development/index.md
index ad02b7193..8db4df386 100644
--- a/website/client/src/pt-br/guide/development/index.md
+++ b/website/client/src/pt-br/guide/development/index.md
@@ -51,7 +51,7 @@ npm run lint
 
 ### Pré-requisitos
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker (opcional, para executar o website ou desenvolvimento em contêiner)
diff --git a/website/client/src/pt-br/guide/installation.md b/website/client/src/pt-br/guide/installation.md
index c56c8d833..ade3da72d 100644
--- a/website/client/src/pt-br/guide/installation.md
+++ b/website/client/src/pt-br/guide/installation.md
@@ -71,7 +71,7 @@ Obtenha acesso instantâneo ao Repomix diretamente de qualquer repositório GitH
 
 ## Requisitos de Sistema
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: Necessário para processamento de repositório remoto
 
 ## Verificação
diff --git a/website/client/src/vi/guide/development/index.md b/website/client/src/vi/guide/development/index.md
index 37aee6976..1be4fa989 100644
--- a/website/client/src/vi/guide/development/index.md
+++ b/website/client/src/vi/guide/development/index.md
@@ -6,7 +6,7 @@ Repomix là một dự án mã nguồn mở và chúng tôi hoan nghênh đóng
 
 ### Yêu cầu
 
-- Node.js (phiên bản 16 trở lên)
+- Node.js (phiên bản 20 trở lên)
 - npm hoặc yarn
 - Git
 
diff --git a/website/client/src/vi/guide/github-actions.md b/website/client/src/vi/guide/github-actions.md
index e564dfb42..9b19bca8c 100644
--- a/website/client/src/vi/guide/github-actions.md
+++ b/website/client/src/vi/guide/github-actions.md
@@ -175,7 +175,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '20'
 
       - name: Install Repomix
         run: npm install -g repomix
diff --git a/website/client/src/zh-cn/guide/development/index.md b/website/client/src/zh-cn/guide/development/index.md
index c608f1eae..72e4f960a 100644
--- a/website/client/src/zh-cn/guide/development/index.md
+++ b/website/client/src/zh-cn/guide/development/index.md
@@ -51,7 +51,7 @@ npm run lint
 
 ### 前提条件
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker（可选，用于运行网站或容器化开发）
diff --git a/website/client/src/zh-cn/guide/installation.md b/website/client/src/zh-cn/guide/installation.md
index 70f753163..deb192ec1 100644
--- a/website/client/src/zh-cn/guide/installation.md
+++ b/website/client/src/zh-cn/guide/installation.md
@@ -71,7 +71,7 @@ docker run -v ./output:/app -it --rm ghcr.io/yamadashy/repomix --remote yamadash
 
 ## 系统要求
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: 处理远程仓库时需要
 
 ## 验证安装
diff --git a/website/client/src/zh-tw/guide/development/index.md b/website/client/src/zh-tw/guide/development/index.md
index d7a2ad3bd..9a21ff0c9 100644
--- a/website/client/src/zh-tw/guide/development/index.md
+++ b/website/client/src/zh-tw/guide/development/index.md
@@ -51,7 +51,7 @@ npm run lint
 
 ### 前提條件
 
-- Node.js ≥ 18.0.0
+- Node.js ≥ 20.0.0
 - Git
 - npm
 - Docker（可選，用於運行網站或容器化開發）
diff --git a/website/client/src/zh-tw/guide/installation.md b/website/client/src/zh-tw/guide/installation.md
index dabb2f905..6d847322b 100644
--- a/website/client/src/zh-tw/guide/installation.md
+++ b/website/client/src/zh-tw/guide/installation.md
@@ -71,7 +71,7 @@ docker run -v ./output:/app -it --rm ghcr.io/yamadashy/repomix --remote yamadash
 
 ## 系統要求
 
-- Node.js: ≥ 18.0.0
+- Node.js: ≥ 20.0.0
 - Git: 處理遠端倉庫時需要
 
 ## 驗證安裝