diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f6f5d6..f98ec33 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,16 +13,17 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        jdk: [1.8, 9, 11, 15]
+        jdk: ['17', '21']
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
+          distribution: temurin
           java-version: ${{ matrix.jdk }}
       - name: Cache Maven packages
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}