diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c5453d3a1df3..0fc561fbcd75 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,11 +20,11 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        java: [ 8, 11, 17 ]
+        java: [ 8, 11, 17, 21 ]
         root-pom: [ 'pom.xml', 'android/pom.xml' ]
         include:
           - os: windows-latest
-            java: 17
+            java: 21
             root-pom: pom.xml
     runs-on: ${{ matrix.os }}
     env:
@@ -68,11 +68,10 @@ jobs:
     steps:
       - name: 'Check out repository'
         uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
-      - name: 'Set up JDK 11'
+      - name: 'Set up JDK 21'
         uses: actions/setup-java@9704b39bf258b59bc04b50fa2dd55e9ed76b47a8 # v4.1.0
-
         with:
-          java-version: 11
+          java-version: 21
           distribution: 'zulu'
           server-id: sonatype-nexus-snapshots
           server-username: CI_DEPLOY_USERNAME
@@ -94,11 +93,10 @@ jobs:
     steps:
       - name: 'Check out repository'
         uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
-      - name: 'Set up JDK 11'
+      - name: 'Set up JDK 21'
         uses: actions/setup-java@9704b39bf258b59bc04b50fa2dd55e9ed76b47a8 # v4.1.0
-
         with:
-          java-version: 11
+          java-version: 21
           distribution: 'zulu'
           cache: 'maven'
       - name: 'Generate latest docs'