diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 207a98f2b3..7975bb446c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ on:
 
 env:
   VOICEVOX_ENGINE_REPO_URL: "https://github.com/VOICEVOX/voicevox_engine"
-  VOICEVOX_ENGINE_VERSION: 0.19.1
+  VOICEVOX_ENGINE_VERSION: 0.20-preview.0
   VOICEVOX_RESOURCE_VERSION: 0.19.1
   VOICEVOX_EDITOR_VERSION:
     |- # releaseタグ名か、workflow_dispatchでのバージョン名か、999.999.999-developが入る
@@ -55,7 +55,8 @@ jobs:
           - windows-nvidia-prepackage
           - windows-cpu-prepackage
           - windows-directml-prepackage
-          - macos-cpu-prepackage
+          - macos-x64-cpu-prepackage
+          - macos-arm64-cpu-prepackage
         include:
           # Linux NVIDIA GPU
           - artifact_name: linux-nvidia-prepackage
@@ -111,16 +112,26 @@ jobs:
             installer_artifact_name: windows-directml-nsis-web
             nsis_web_artifact_name: "VOICEVOX.Web.Setup.${version}.${ext}"
             os: windows-2019
-          # macOS CPU
-          - artifact_name: macos-cpu-prepackage
+          # macOS CPU (x64)
+          - artifact_name: macos-x64-cpu-prepackage
             artifact_path: dist_electron/mac
             voicevox_engine_asset_name: macos-x64
             package_name: voicevox-cpu
-            compressed_artifact_name: voicevox-macos-cpu
+            compressed_artifact_name: voicevox-macos-x64-cpu
             app_asar_dir: prepackage/VOICEVOX.app/Contents/Resources
-            installer_artifact_name: macos-cpu-dmg
-            macos_artifact_name: "VOICEVOX.${version}.${ext}"
+            installer_artifact_name: macos-x64-cpu-dmg
+            macos_artifact_name: "VOICEVOX.${version}-x64.${ext}"
             os: macos-12
+          # macOS CPU (arm64)
+          - artifact_name: macos-arm64-cpu-prepackage
+            artifact_path: dist_electron/mac-arm64
+            voicevox_engine_asset_name: macos-arm64
+            package_name: voicevox-cpu
+            compressed_artifact_name: voicevox-macos-arm64-cpu
+            app_asar_dir: prepackage/VOICEVOX.app/Contents/Resources
+            installer_artifact_name: macos-arm64-cpu-dmg
+            macos_artifact_name: "VOICEVOX.${version}-arm64.${ext}"
+            os: macos-14
 
     runs-on: ${{ matrix.os }}
     steps:
@@ -194,11 +205,16 @@ jobs:
 
           cp resource/editor/PRIVACYPOLICY.md public/privacyPolicy.md
 
-      - name: Overwrite .env.production for Linux and macOS
-        if: startsWith(matrix.os, 'ubuntu-') || startsWith(matrix.os, 'macos-')
+      - name: Overwrite .env.production for Linux
+        if: startsWith(matrix.os, 'ubuntu-')
         run: |
           $sed -i 's|run.exe|./run|g' .env.production
 
+      - name: Overwrite .env.production for macOS
+        if: startsWith(matrix.os, 'macos-')
+        run: |
+          $sed -i 's|vv-engine/run.exe|../Resources/vv-engine/run|g' .env.production
+
       - name: Replace .env.production infomations
         run: |
           # GTM ID
@@ -280,10 +296,10 @@ jobs:
         run: |
           mv voicevox_engine/ prepackage/vv-engine/
 
-      - name: Merge VOICEVOX ENGINE into prepackage/VOICEVOX.app/Contents/MacOS/
+      - name: Merge VOICEVOX ENGINE into prepackage/VOICEVOX.app/Contents/Resources/
         if: startsWith(matrix.artifact_name, 'macos-')
         run: |
-          mv voicevox_engine/ prepackage/VOICEVOX.app/Contents/MacOS/vv-engine/
+          mv voicevox_engine/ prepackage/VOICEVOX.app/Contents/Resources/vv-engine/
 
       - name: Recover file permissions
         if: startsWith(matrix.artifact_name, 'linux-') # linux
@@ -294,7 +310,7 @@ jobs:
       - name: Recover file permissions for macOS build
         if: startsWith(matrix.artifact_name, 'macos-') # macOS
         run: |
-          chmod +x "prepackage/VOICEVOX.app/Contents/MacOS/vv-engine/run"
+          chmod +x "prepackage/VOICEVOX.app/Contents/Resources/vv-engine/run"
           chmod +x "prepackage/VOICEVOX.app/Contents/Frameworks/VOICEVOX Helper (GPU).app/Contents/MacOS/VOICEVOX Helper (GPU)"
           chmod +x "prepackage/VOICEVOX.app/Contents/Frameworks/VOICEVOX Helper (Plugin).app/Contents/MacOS/VOICEVOX Helper (Plugin)"
           chmod +x "prepackage/VOICEVOX.app/Contents/Frameworks/VOICEVOX Helper (Renderer).app/Contents/MacOS/VOICEVOX Helper (Renderer)"
@@ -306,6 +322,10 @@ jobs:
         if: startsWith(matrix.artifact_name, 'macos-')
         run: mkdir -p prepackage/VOICEVOX.app/Contents/Resources/ja.lproj prepackage/VOICEVOX.app/Contents/Resources/en.lproj
 
+      - name: Ad hoc code signing
+        if: endsWith(matrix.installer_artifact_name, '-dmg') # macOS
+        run: codesign --force --deep -s - prepackage/VOICEVOX.app
+
       - name: Create Linux tar.gz (without nvidia)
         if: startsWith(matrix.artifact_name, 'linux-') && !contains(matrix.artifact_name, 'nvidia')
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b990e5d683..52f026b0e0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -71,6 +71,9 @@ jobs:
             voicevox_engine_asset_name: linux-cpu
           - os: macos-latest
             voicevox_engine_asset_name: macos-x64
+          # TODO: voicevox_nemo_negineがarm64に対応したら変更する 
+          # - os: macos-latest
+          #   voicevox_engine_asset_name: macos-arm64
           - os: windows-latest
             voicevox_engine_asset_name: windows-cpu
     steps:
diff --git a/electron-builder.config.js b/electron-builder.config.js
index 462e6f25e0..43ad78166c 100644
--- a/electron-builder.config.js
+++ b/electron-builder.config.js
@@ -29,6 +29,8 @@ const WIN_SIGNING_HASH_ALGORITHMS = process.env.WIN_SIGNING_HASH_ALGORITHMS
 
 const isMac = process.platform === "darwin";
 
+const isArm64 = process.arch === "arm64";
+
 // electron-builderのextraFilesは、ファイルのコピー先としてVOICEVOX.app/Contents/を使用する。
 // しかし、実行ファイルはVOICEVOX.app/Contents/MacOS/にあるため、extraFilesをVOICEVOX.app/Contents/ディレクトリにコピーするのは正しくない。
 // VOICEVOX.app/Contents/MacOS/ディレクトリにコピーされるように修正する。
@@ -154,7 +156,7 @@ const builderOptions = {
     target: [
       {
         target: "dmg",
-        arch: ["x64"],
+        arch: [isArm64 ? "arm64" : "x64"],
       },
     ],
   },