diff --git a/.github/workflows/stale.yaml b/.github/workflows/stale.yaml
new file mode 100644
index 0000000..4daf9e6
--- /dev/null
+++ b/.github/workflows/stale.yaml
@@ -0,0 +1,20 @@
+name: 'Close stale issues'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+permissions:
+  issues: write
+  pull-requests: read
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          stale-issue-message: 'This issue is stale because it has been open 21 days with no activity. Remove stale label or comment or this will be closed in 14 days.'
+          close-issue-message: 'This issue was closed because it has been stalled for 35 days with no activity.'
+          days-before-stale: 21
+          days-before-close: 14
+          days-before-pr-close: -1