diff --git a/.github/workflows/ant.yml b/.github/workflows/ant.yml
index 900118f..8ac4afe 100644
--- a/.github/workflows/ant.yml
+++ b/.github/workflows/ant.yml
@@ -14,6 +14,6 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-java@v2
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'adopt'
     - run: ant/bin/ant -noinput clean jenkins