diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
new file mode 100644
index 0000000..dc4882c
--- /dev/null
+++ b/.github/workflows/stale.yml
@@ -0,0 +1,20 @@
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+  - cron: "21 4 * * *"
+
+jobs:
+  stale:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/stale@v3
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-issue-message: 'This issue has become stale and will be closed automatically within a period of time. Sorry about that.'
+        stale-pr-message: 'This pull request has become stale and will be closed automatically within a period of time. Sorry about that.'
+        stale-issue-label: 'no-issue-activity'
+        stale-pr-label: 'no-pr-activity'
+        days-before-stale: 90 
diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 0000000..5c6704e
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1 @@
+* @actions-experience @advanced-security-code-scanning