diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 8ac6b8c..177b067 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,3 +4,5 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da7d06d..aca553e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,6 +19,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Setup Node.js
         uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6230647..046ef3e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,11 +5,17 @@ on:
     branches:
       - main
 
+permissions: {}
+
 jobs:
   test:
+    permissions:
+      contents: read
     uses: ./.github/workflows/test.yml
 
   build:
+    permissions:
+      contents: read
     uses: ./.github/workflows/build.yml
 
   release:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3750e09..5670f0f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,6 +27,8 @@ jobs:
       - run: git config --global core.autocrlf input
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Setup Node.js
         uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
         with: