diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3451e01..9c84552 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,9 @@ on:
   push:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     name: Test
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e0dfe3d..d70230b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -4,13 +4,16 @@ on:
   push:
     branches: [main] 
 
+permissions:
+  contents: read
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Node.js
         uses: actions/setup-node@v4