diff --git a/.github/workflows/lock-thread.yml b/.github/workflows/lock-thread.yml
new file mode 100644
index 000000000..1fc8d9c3f
--- /dev/null
+++ b/.github/workflows/lock-thread.yml
@@ -0,0 +1,21 @@
+name: 'Lock Threads'
+
+on:
+  schedule:
+    # once a week on Saturday
+    - cron: '0 1 * * 6'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+  discussions: write
+
+concurrency:
+  group: lock-threads
+
+jobs:
+  action:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v5