diff --git a/.github/scripts/lock-closed-issues.js b/.github/scripts/lock-closed-issues.js
new file mode 100644
index 0000000000..dea8e48eb2
--- /dev/null
+++ b/.github/scripts/lock-closed-issues.js
@@ -0,0 +1,78 @@
+// @ts-check
+/**
+ * Lock closed issues after 7 days of inactivity
+ * @param {object} github - GitHub API client
+ * @param {object} context - GitHub Actions context
+ */
+module.exports = async ({ github, context }) => {
+  const sevenDaysAgo = new Date();
+  sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+  const lockComment = `This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.`;
+
+  let page = 1;
+  let hasMore = true;
+  let totalLocked = 0;
+
+  while (hasMore) {
+    // Get closed issues (pagination)
+    const { data: issues } = await github.rest.issues.listForRepo({
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      state: 'closed',
+      sort: 'updated',
+      direction: 'asc',
+      per_page: 100,
+      page: page,
+    });
+
+    if (issues.length === 0) {
+      hasMore = false;
+      break;
+    }
+
+    for (const issue of issues) {
+      // Skip if already locked
+      if (issue.locked) continue;
+
+      // Skip pull requests
+      if (issue.pull_request) continue;
+
+      // Check if updated more than 7 days ago
+      const updatedAt = new Date(issue.updated_at);
+      if (updatedAt > sevenDaysAgo) {
+        // Since issues are sorted by updated_at ascending,
+        // once we hit a recent issue, all remaining will be recent too
+        hasMore = false;
+        break;
+      }
+
+      try {
+        // Add comment before locking
+        await github.rest.issues.createComment({
+          owner: context.repo.owner,
+          repo: context.repo.repo,
+          issue_number: issue.number,
+          body: lockComment,
+        });
+
+        // Lock the issue
+        await github.rest.issues.lock({
+          owner: context.repo.owner,
+          repo: context.repo.repo,
+          issue_number: issue.number,
+          lock_reason: 'resolved',
+        });
+
+        totalLocked++;
+        console.log(`Locked issue #${issue.number}: ${issue.title}`);
+      } catch (error) {
+        console.error(`Failed to lock issue #${issue.number}: ${error.message}`);
+      }
+    }
+
+    page++;
+  }
+
+  console.log(`Total issues locked: ${totalLocked}`);
+};
diff --git a/.github/workflows/lock-closed-issues.yml b/.github/workflows/lock-closed-issues.yml
new file mode 100644
index 0000000000..8189fa1f44
--- /dev/null
+++ b/.github/workflows/lock-closed-issues.yml
@@ -0,0 +1,26 @@
+name: "Lock Stale Issues"
+
+on:
+  schedule:
+    - cron: "0 1 * * *"
+  workflow_dispatch:
+
+permissions:
+  issues: write
+
+concurrency:
+  group: lock-threads
+
+jobs:
+  lock-closed-issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Lock closed issues after 7 days of inactivity
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const lockScript = require('./.github/scripts/lock-closed-issues.js');
+            await lockScript({ github, context });