diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..bd69588
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,298 @@
+# Copyright © 2013, Paul Hinze & Contributors, Umi
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice, this
+#   list of conditions and the following disclaimer in the documentation and/or
+#   other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+name: CI
+
+on:
+  pull_request:
+    paths-ignore:
+      - Casks/*-preview.rb
+
+env:
+  HOMEBREW_DEVELOPER: 1
+  HOMEBREW_NO_AUTO_UPDATE: 1
+  HOMEBREW_NO_INSTALL_FROM_API: 1
+  HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
+
+concurrency:
+  group: "${{ github.ref }}"
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+permissions:
+  contents: read
+
+jobs:
+  generate-matrix:
+    outputs:
+      matrix: ${{ steps.generate-matrix.outputs.matrix }}
+    runs-on: macos-latest
+    steps:
+      - name: Set up Homebrew
+        id: set-up-homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+        with:
+          core: false
+          cask: true
+          test-bot: false
+
+      - name: Check out Pull Request
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Generate CI matrix
+        id: generate-matrix
+        run: |
+          brew ruby -- "$(brew --repository homebrew/cask)/cmd/lib/generate-matrix.rb" "${{ github.event.pull_request.url }}"
+
+  test:
+    name: ${{ matrix.name }}
+    needs: generate-matrix
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
+    steps:
+      - name: Set up Homebrew
+        id: set-up-homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+        with:
+          core: false
+          cask: true
+          test-bot: false
+
+      - name: Enable debug mode
+        run: |
+          echo 'HOMEBREW_DEBUG=1' >> "${GITHUB_ENV}"
+          echo 'HOMEBREW_VERBOSE=1' >> "${GITHUB_ENV}"
+        if: runner.debug
+
+      - name: Check out Pull Request
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Clean up CI machine
+        run: |
+          if ! brew list --cask visual-studio &>/dev/null; then
+            if ! rm -r '/Applications/Visual Studio.app'; then
+              echo '::warning::Removing Visual Studio is no longer necessary.'
+            fi
+          fi
+
+          if ! brew uninstall --cask julia && ! rm -r /Applications/Julia-*.app; then
+            echo '::warning::Removing Julia is no longer necessary.'
+          fi
+
+          if ! rm /usr/local/bin/dotnet; then
+            echo '::warning::Removing `dotnet` symlink is no longer necessary.'
+          fi
+
+          if ! rm /usr/local/bin/pod; then
+            echo '::warning::Removing `cocoapods` symlink is no longer necessary.'
+          fi
+
+          brew unlink python && brew link --overwrite python
+        if: runner.os == 'macOS'
+
+      - name: Cache Homebrew Gems
+        id: cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
+          key: ${{ matrix.runner }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
+          restore-keys: ${{ matrix.runner }}-rubygems-
+
+      - name: Install Homebrew Gems
+        id: gems
+        run: brew install-bundler-gems
+        if: steps.cache.outputs.cache-hit != 'true'
+
+      - name: Run brew readall ${{ matrix.tap }}
+        id: readall
+        run: brew readall '${{ matrix.tap }}'
+        if: >
+          always() &&
+          contains(fromJSON('["success", "skipped"]'), steps.gems.outcome) &&
+          !matrix.skip_readall
+
+      - name: Run brew style ${{ matrix.tap }}
+        run: brew style '${{ matrix.tap }}'
+        if: >
+          always() &&
+          contains(fromJSON('["success", "skipped"]'), steps.readall.outcome) &&
+          !matrix.cask
+
+      - name: Run brew fetch --cask ${{ matrix.cask.token }}
+        id: fetch
+        run: |
+          brew fetch --cask --retry --force ${{ join(matrix.fetch_args, ' ') }} '${{ matrix.cask.path }}'
+        timeout-minutes: 30
+        if: >
+          always() &&
+          contains(fromJSON('["success", "skipped"]'), steps.readall.outcome) &&
+          matrix.cask
+
+      - name: Run brew audit --cask${{ (matrix.cask && ' ') || ' --tap ' }}${{ matrix.cask.token || matrix.tap }}
+        id: audit
+        run: |
+          brew audit --cask ${{ join(matrix.audit_args, ' ') }}${{ (matrix.cask && ' ') || ' --tap ' }}'${{ matrix.cask.token || matrix.tap }}'
+        timeout-minutes: 30
+        if: >
+          always() &&
+          contains(fromJSON('["success", "skipped"]'), steps.readall.outcome) &&
+          (!matrix.cask || steps.fetch.outcome == 'success') &&
+          !matrix.skip_audit
+
+      - name: Gather cask information
+        id: info
+        run: |
+          brew tap homebrew/cask-versions
+          brew ruby <<'EOF'
+            require 'cask/cask_loader'
+            require 'cask/installer'
+
+            cask = Cask::CaskLoader.load('${{ matrix.cask.path }}')
+
+            was_installed = cask.installed?
+            manual_installer = cask.artifacts.any? { |artifact|
+              artifact.is_a?(Cask::Artifact::Installer::ManualInstaller)
+            }
+
+            macos_requirement_satisfied = if macos_requirement = cask.depends_on.macos
+              macos_requirement.satisfied?
+            else
+              true
+            end
+
+            cask_conflicts = cask.conflicts_with&.dig(:cask).to_a.select { |c| Cask::CaskLoader.load(c).installed? }
+            formula_conflicts = cask.conflicts_with&.dig(:formula).to_a.select { |f| Formula[f].any_version_installed? }
+
+            installer = Cask::Installer.new(cask)
+            cask_and_formula_dependencies = installer.missing_cask_and_formula_dependencies
+
+            cask_dependencies = cask_and_formula_dependencies.select { |d| d.is_a?(Cask::Cask) }.map(&:full_name)
+            formula_dependencies = cask_and_formula_dependencies.select { |d| d.is_a?(Formula) }.map(&:full_name)
+
+            File.open(ENV.fetch("GITHUB_OUTPUT"), "a") do |f|
+              f.puts "was_installed=#{JSON.generate(was_installed)}"
+              f.puts "manual_installer=#{JSON.generate(manual_installer)}"
+              f.puts "macos_requirement_satisfied=#{JSON.generate(macos_requirement_satisfied)}"
+              f.puts "cask_conflicts=#{JSON.generate(cask_conflicts)}"
+              f.puts "cask_dependencies=#{JSON.generate(cask_dependencies)}"
+              f.puts "formula_conflicts=#{JSON.generate(formula_conflicts)}"
+              f.puts "formula_dependencies=#{JSON.generate(formula_dependencies)}"
+            end
+          EOF
+        if: always() && steps.fetch.outcome == 'success' && matrix.cask
+
+      - name: Uninstall conflicting formulae
+        run: |
+          brew uninstall --formula ${{ join(fromJSON(steps.info.outputs.formula_conflicts), ' ') }}
+        if: always() && steps.info.outcome == 'success' && join(fromJSON(steps.info.outputs.formula_conflicts)) != ''
+        timeout-minutes: 30
+
+      - name: Uninstall conflicting casks
+        run: |
+          brew uninstall --cask ${{ join(fromJSON(steps.info.outputs.cask_conflicts), ' ') }}
+        if: always() && steps.info.outcome == 'success' && join(fromJSON(steps.info.outputs.cask_conflicts)) != ''
+        timeout-minutes: 30
+
+      - name: Run brew uninstall --cask --zap ${{ matrix.cask.token }}
+        run: |
+          brew uninstall --cask --zap '${{ matrix.cask.path }}'
+        if: always() && steps.info.outcome == 'success' && fromJSON(steps.info.outputs.was_installed)
+        timeout-minutes: 30
+
+      - name: Take snapshot of installed and running apps and services
+        id: snapshot
+        run: |
+          brew ruby -r "$(brew --repository homebrew/cask)/cmd/lib/check.rb" <<'EOF'
+            File.open(ENV.fetch("GITHUB_OUTPUT"), "a") do |f|
+              f.puts "before=#{JSON.generate(Check.all)}"
+            end
+          EOF
+        if: always() && steps.info.outcome == 'success'
+
+      - name: Run brew install --cask ${{ matrix.cask.token }}
+        id: install
+        run: brew install --cask '${{ matrix.cask.path }}'
+        if: >
+          always() && steps.info.outcome == 'success' &&
+          fromJSON(steps.info.outputs.macos_requirement_satisfied) &&
+          !matrix.skip_install
+        timeout-minutes: 30
+
+      - name: Run brew uninstall --cask ${{ matrix.cask.token }}
+        run: brew uninstall --cask '${{ matrix.cask.path }}'
+        if: always() && steps.install.outcome == 'success' && !fromJSON(steps.info.outputs.manual_installer)
+        timeout-minutes: 30
+
+      - name: Uninstall formula dependencies
+        run: |
+          brew uninstall --formula ${{ join(fromJSON(steps.info.outputs.formula_dependencies), ' ') }}
+        if: always() && steps.install.outcome == 'success' && join(fromJSON(steps.info.outputs.formula_dependencies)) != ''
+        timeout-minutes: 30
+
+      - name: Uninstall cask dependencies
+        run: |
+          brew uninstall --cask ${{ join(fromJSON(steps.info.outputs.cask_dependencies), ' ') }}
+        if: always() && steps.install.outcome == 'success' && join(fromJSON(steps.info.outputs.cask_dependencies)) != ''
+        timeout-minutes: 30
+
+      - name: Compare installed and running apps and services with snapshot
+        run: |
+          brew ruby -r "$(brew --repository homebrew/cask)/cmd/lib/check.rb" <<'EOF'
+            require "cask/cask_loader"
+            require "utils/github/actions"
+
+            before = JSON.parse(<<~'EOS').transform_keys(&:to_sym)
+              ${{ steps.snapshot.outputs.before }}
+            EOS
+            after = Check.all
+
+            cask = Cask::CaskLoader.load('${{ matrix.cask.path }}')
+            errors = Check.errors(before, after, cask: cask)
+
+            errors.each do |error|
+              onoe error
+              puts GitHub::Actions::Annotation.new(:error, error, file: '${{ matrix.cask.path }}')
+            end
+
+            exit 1 if errors.any?
+          EOF
+        if: always() && steps.snapshot.outcome == 'success'
+
+  conclusion:
+    name: conclusion
+    needs: test
+    runs-on: ubuntu-latest
+    if: always()
+    steps:
+      - name: Result
+        run: ${{ needs.test.result == 'success' }}
diff --git a/Casks/voicevox.rb b/Casks/voicevox.rb
new file mode 100644
index 0000000..ec825d3
--- /dev/null
+++ b/Casks/voicevox.rb
@@ -0,0 +1,28 @@
+cask "voicevox" do
+  version "0.14.7"
+  sha256 "341df00cced9f8b516dda4e79902d4106a34f89dc18264cb1bb6a5721282d75c"
+
+  url "https://github.com/VOICEVOX/voicevox/releases/download/#{version}/VOICEVOX.#{version}.dmg",
+      verified: "github.com/VOICEVOX/voicevox/"
+  name "VOICEVOX"
+  desc "Free, medium-quality text-to-speech software"
+  homepage "https://voicevox.hiroshiba.jp/"
+
+  livecheck do
+    url :url
+    strategy :github_latest
+  end
+
+  conflicts_with cask: "voicevox-preview"
+
+  app "VOICEVOX.app"
+
+  zap trash: [
+    "~/Library/Application Support/voicevox",
+    "~/Library/Application Support/voicevox-cpu",
+    "~/Library/Application Support/voicevox-engine",
+    "~/Library/Logs/voicevox-cpu",
+    "~/Library/Preferences/jp.hiroshiba.voicevox.plist",
+    "~/Library/Saved Application State/jp.hiroshiba.voicevox.savedState",
+  ]
+end
diff --git a/README.md b/README.md
index 1cc9442..adadfaf 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,10 @@
+# homebrew-voicevox
+
 HomebrewでVOICEVOXをインストールできるようにするリポジトリです。
+
+## インストール方法
+
+```sh
+$ brew tap VOICEVOX/voicevox
+$ brew install --cask --no-quarantine voicevox
+```