diff --git a/.github/workflows/promote-main-to-next.yml b/.github/workflows/promote-main-to-next.yml
index 4a87775e..44b79755 100644
--- a/.github/workflows/promote-main-to-next.yml
+++ b/.github/workflows/promote-main-to-next.yml
@@ -48,12 +48,14 @@ jobs:
             exit 0
           fi
           npm version --no-git-tag-version "$TARGET_VERSION"
+      - name: sync Tauri version from package.json
+        run: node scripts/sync-tauri-version-from-package.js
       - name: commit RC version bump
         run: |
           set -euo pipefail
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add package.json package-lock.json
+          git add package.json package-lock.json src-tauri/Cargo.toml src-tauri/tauri.conf.json
           if git diff --cached --quiet; then
             echo "No version bump changes to commit."
             exit 0
diff --git a/.github/workflows/promote-next-to-release.yml b/.github/workflows/promote-next-to-release.yml
index 0ecb9162..2fd718ba 100644
--- a/.github/workflows/promote-next-to-release.yml
+++ b/.github/workflows/promote-next-to-release.yml
@@ -33,12 +33,14 @@ jobs:
             exit 0
           fi
           npm version --no-git-tag-version "$FINAL_VERSION"
+      - name: sync Tauri version from package.json
+        run: node scripts/sync-tauri-version-from-package.js
       - name: commit final version bump
         run: |
           set -euo pipefail
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add package.json package-lock.json
+          git add package.json package-lock.json src-tauri/Cargo.toml src-tauri/tauri.conf.json
           if git diff --cached --quiet; then
             echo "No finalization changes to commit."
             exit 0
diff --git a/.github/workflows/reusable-channel-publish.yml b/.github/workflows/reusable-channel-publish.yml
index cb48313e..cee84eec 100644
--- a/.github/workflows/reusable-channel-publish.yml
+++ b/.github/workflows/reusable-channel-publish.yml
@@ -405,6 +405,8 @@ jobs:
             exit 0
           fi
           npm version --no-git-tag-version "$TARGET_VERSION"
+      - name: sync Tauri version from package.json
+        run: node scripts/sync-tauri-version-from-package.js
       - name: open PR with dev bump (if changed)
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -412,7 +414,7 @@ jobs:
           set -euo pipefail
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add package.json package-lock.json
+          git add package.json package-lock.json src-tauri/Cargo.toml src-tauri/tauri.conf.json
           if git diff --cached --quiet; then
             echo "No dev version bump required."
             exit 0
@@ -428,4 +430,4 @@ jobs:
             --base main \
             --head "$BRANCH" \
             --title "chore(release): bump main to ${VERSION}" \
-            --body "Auto-generated after stable release: updates \`package.json\` and \`package-lock.json\` to the next development version."
+            --body "Auto-generated after stable release: updates \`package.json\`, \`package-lock.json\`, \`src-tauri/Cargo.toml\`, and \`src-tauri/tauri.conf.json\` to the next development version."
diff --git a/scripts/sync-tauri-version-from-package.js b/scripts/sync-tauri-version-from-package.js
new file mode 100644
index 00000000..50ace06b
--- /dev/null
+++ b/scripts/sync-tauri-version-from-package.js
@@ -0,0 +1,30 @@
+#!/usr/bin/env node
+/**
+ * Align src-tauri/Cargo.toml and src-tauri/tauri.conf.json with package.json "version".
+ * Used after npm version in promote workflows so bundle names match release semver.
+ */
+const fs = require('fs');
+const path = require('path');
+
+const root = path.join(__dirname, '..');
+const version = require(path.join(root, 'package.json')).version;
+if (!version || typeof version !== 'string') {
+  console.error('package.json version missing');
+  process.exit(1);
+}
+
+const cargoPath = path.join(root, 'src-tauri', 'Cargo.toml');
+let cargo = fs.readFileSync(cargoPath, 'utf8');
+if (!/^version = "[^"]*"$/m.test(cargo)) {
+  console.error('Cargo.toml: expected a package-level line: version = "..."');
+  process.exit(1);
+}
+cargo = cargo.replace(/^version = "[^"]*"$/m, `version = "${version}"`);
+fs.writeFileSync(cargoPath, cargo);
+console.log(`Cargo.toml -> ${version}`);
+
+const confPath = path.join(root, 'src-tauri', 'tauri.conf.json');
+const conf = JSON.parse(fs.readFileSync(confPath, 'utf8'));
+conf.version = version;
+fs.writeFileSync(confPath, JSON.stringify(conf, null, 2) + '\n');
+console.log(`tauri.conf.json -> ${version}`);