diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a486206..0001d45 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,14 +17,21 @@ name: "CI"
 
 on: [push, pull_request]
 
+env:
+  FLINK_TAR_URL: "https://s3.amazonaws.com/flink-nightly/flink-1.19-SNAPSHOT-bin-scala_2.12.tgz"
+
 jobs:
   ci:
+    name: CI using JDK ${{ matrix.java_version }}
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [ 8, 11, 17, 21 ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: "Build images"
         run: |
-          ./add-custom.sh -u "https://s3.amazonaws.com/flink-nightly/flink-1.19-SNAPSHOT-bin-scala_2.12.tgz" -j 8 -n test-java8
-          ./add-custom.sh -u "https://s3.amazonaws.com/flink-nightly/flink-1.19-SNAPSHOT-bin-scala_2.12.tgz" -j 11 -n test-java11
+          ./add-custom.sh -u "$FLINK_TAR_URL" -j ${{ matrix.java_version }} -n "test-java${{ matrix.java_version }}"
       - name: "Test images"
         run: testing/run_tests.sh