diff --git a/.github/workflows/ci-actions.yml b/.github/workflows/ci-actions.yml
index 087870a5b8..0342947e85 100644
--- a/.github/workflows/ci-actions.yml
+++ b/.github/workflows/ci-actions.yml
@@ -87,6 +87,10 @@ jobs:
             name: "17",
             java-version: 17,
           }
+          - {
+            name: "21",
+            java-version: 21,
+          }
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java.name }}
@@ -150,6 +154,10 @@ jobs:
             name: "17",
             java-version: 17,
           }
+          - {
+            name: "21",
+            java-version: 21,
+          }
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java.name }}
@@ -285,6 +293,10 @@ jobs:
             name: "17",
             java-version: 17,
           }
+          - {
+            name: "21",
+            java-version: 21,
+          }
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java.name }}
@@ -383,6 +395,10 @@ jobs:
             name: "17",
             java-version: 17,
           }
+          - {
+            name: "21",
+            java-version: 21,
+          }
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java.name }}