diff --git a/.github/workflows/build_preview_pages.yml b/.github/workflows/build_preview_pages.yml
index d261a8c5c8..fb1068e4ac 100644
--- a/.github/workflows/build_preview_pages.yml
+++ b/.github/workflows/build_preview_pages.yml
@@ -23,8 +23,21 @@ jobs:
 
       - name: Build
         run: |
+          # 追加のバージョン情報
+          if [ -n "${{ github.event.pull_request.head.sha }}" ]; then
+            LOCATION="PR#${{ github.event.pull_request.number }}"
+            SHORT_SHA=$(cut -c 1-7 <<< "${{ github.event.pull_request.head.sha }}")
+          else
+            LOCATION="${{ github.ref_name }}"
+            SHORT_SHA=$(cut -c 1-7 <<< "${{ github.sha }}")
+          fi
+
+          # Storybookのビルド
           npm run storybook:build -- --output-dir $(pwd)/dist_preview/storybook
-          npm run browser:build -- --base ./ --outDir $(pwd)/dist_preview/editor
+
+          # ブラウザ版エディタのビルド
+          VITE_EXTRA_VERSION_INFO="${LOCATION} @ ${SHORT_SHA}" \
+            npm run browser:build -- --base ./ --outDir $(pwd)/dist_preview/editor
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
diff --git a/src/components/Menu/MenuBar/MenuBar.vue b/src/components/Menu/MenuBar/MenuBar.vue
index 759304ed92..1ad3cdba56 100644
--- a/src/components/Menu/MenuBar/MenuBar.vue
+++ b/src/components/Menu/MenuBar/MenuBar.vue
@@ -53,6 +53,9 @@ const store = useStore();
 const { registerHotkeyWithCleanup } = useHotkeyManager();
 const currentVersion = ref("");
 
+/** 追加のバージョン情報。コミットハッシュなどを書ける。 */
+const extraVersionInfo = import.meta.env.VITE_EXTRA_VERSION_INFO;
+
 const audioKeys = computed(() => store.state.audioKeys);
 
 // デフォルトエンジンの代替先ポート
@@ -93,6 +96,7 @@ const titleText = computed(
     (projectName.value != undefined ? projectName.value + " - " : "") +
     "VOICEVOX" +
     (currentVersion.value ? " - Ver. " + currentVersion.value : "") +
+    (extraVersionInfo ? ` (${extraVersionInfo})` : "") +
     (isMultiEngineOffMode.value ? " - マルチエンジンオフ" : "") +
     (defaultEngineAltPortTo.value != null
       ? ` - Port: ${defaultEngineAltPortTo.value}`
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
index c7fbf04555..2295c4fd93 100644
--- a/src/vite-env.d.ts
+++ b/src/vite-env.d.ts
@@ -10,6 +10,7 @@ interface ImportMetaEnv {
   readonly VITE_LATEST_UPDATE_INFOS_URL: string;
   readonly VITE_GTM_CONTAINER_ID: string;
   readonly VITE_TARGET: "electron" | "browser";
+  readonly VITE_EXTRA_VERSION_INFO: string | undefined;
 }
 
 interface ImportMeta {