diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e617548..3805d93 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,9 @@ on:
   pull_request:
     branches: [master, main]
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/scheduled-lint.yml b/.github/workflows/scheduled-lint.yml
index 489c8f4..de2378b 100644
--- a/.github/workflows/scheduled-lint.yml
+++ b/.github/workflows/scheduled-lint.yml
@@ -5,6 +5,9 @@ on:
     - cron: '0 8 * * 1'
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   lint-and-test:
     runs-on: ubuntu-latest