diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 80fac44..0c76b0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,6 +18,9 @@ on:
       - ".gitignore"
       - ".github/workflows/deploy.yml"
 
+permissions:
+  contents: read
+
 jobs:
   backend-lint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 8b08735..f3329e4 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -3,6 +3,9 @@ name: Deploy
 on:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   deploy:
     runs-on: ubuntu-latest