diff --git a/.github/workflows/lock.yaml b/.github/workflows/lock.yaml
new file mode 100644
index 0000000000..87f4fd7e09
--- /dev/null
+++ b/.github/workflows/lock.yaml
@@ -0,0 +1,18 @@
+name: 'Lock old issues'
+
+on:
+  schedule:
+    - cron: '0 2 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+
+jobs:
+  action:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v5
+        with:
+          issue-inactive-days: '60'
+          process-only: 'issues'
diff --git a/.github/workflows/stale.yaml b/.github/workflows/stale.yaml
new file mode 100644
index 0000000000..ad95a7af03
--- /dev/null
+++ b/.github/workflows/stale.yaml
@@ -0,0 +1,22 @@
+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          stale-issue-message: 'This issue is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          stale-pr-message: 'This PR is stale because it has been open 45 days with no activity.'
+          close-issue-message: 'This issue was closed because it has been stalled for 7 days with no activity.'
+          days-before-issue-stale: 180
+          days-before-pr-stale: 45
+          days-before-issue-close: 5
+          days-before-pr-close: -1 # never close PRs