diff --git a/.github/workflows/update-lockfile.yml b/.github/workflows/update-lockfile.yml
new file mode 100644
index 0000000..1ba69e4
--- /dev/null
+++ b/.github/workflows/update-lockfile.yml
@@ -0,0 +1,26 @@
+name: Update Bun Lockfile
+
+on:
+  pull_request:
+    paths:
+      - 'package.json'
+
+jobs:
+  fix-lockfile:
+    runs-on: ubuntu-latest
+    if: startsWith(github.head_ref, 'dependabot/')
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+      - uses: oven-sh/setup-bun@v1
+      - name: Install and update lockfile
+        run: |
+          bun install
+      - name: Commit and push updated lockfile
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add bun.lock
+          git commit -m "chore: update lockfile (auto-fix for Dependabot PR)" || exit 0
+          git push
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