diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cf79937..3843ad9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,11 +6,11 @@ jobs:
   build:
     strategy:
       matrix:
-        java: [ '8', '11' ]
+        java: [ '17', '21' ]
     name: Build on Java ${{ matrix.java }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: actions/setup-java@v3