diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 3b6c812..81bd346 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -6,3 +6,5 @@ updates:
     interval: daily
     time: "10:00"
   open-pull-requests-limit: 10
+  cooldown:
+    default-days: 7
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f43196f..d436db2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,15 +2,21 @@ name: ci
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        with:
+          persist-credentials: false
+      - name: Set up JDK 8
+        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
         with:
-          java-version: 1.8
+          java-version: 8
+          distribution: temurin
       - name: Build with Maven
         run: mvn test package