diff --git a/.github/workflows/update_lexicons.yml b/.github/workflows/update_lexicons.yml
index 54cfcaa0..1dcafdf5 100644
--- a/.github/workflows/update_lexicons.yml
+++ b/.github/workflows/update_lexicons.yml
@@ -1,6 +1,9 @@
 name: Fetch new lexicons and regenerate code and docs
 
-on: [ workflow_dispatch ]
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 12 * * 5' # at 12:00 on Friday day
 
 permissions:
   contents: read
diff --git a/update_lexicons.py b/update_lexicons.py
index 43925cb5..327ad374 100755
--- a/update_lexicons.py
+++ b/update_lexicons.py
@@ -152,11 +152,11 @@ def main() -> None:
     _print('- Running codegen (poetry run atp -s gen all)...')
     _run_subprocess(['poetry', 'run', 'atp', '-s', 'gen', 'all'])
 
-    _print('- Running ruff (poetry run ruff check --fix .)...')
-    _run_subprocess(['poetry', 'run', 'ruff', 'check', '--fix', '.'])
+    _print('- Running ruff (poetry run ruff check --quiet --fix .)...')
+    _run_subprocess(['poetry', 'run', 'ruff', 'check', '--quiet', '--fix', '.'])
 
-    _print('- Running ruff format (poetry run ruff -q format .)...')
-    _run_subprocess(['poetry', 'run', 'ruff', 'format', '-q', '.'])
+    _print('- Running ruff format (poetry run ruff --quiet format .)...')
+    _run_subprocess(['poetry', 'run', 'ruff', 'format', '--quiet', '.'])
 
     _print('- Generating docs (make -s -C docs gen)...')
     _remove_content_in_path(_FOLDER_OF_GEN_DOCS)