diff --git a/.github/workflows/publish-pages.yml b/.github/workflows/publish-pages.yml
index 2e819a7..931f4af 100644
--- a/.github/workflows/publish-pages.yml
+++ b/.github/workflows/publish-pages.yml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: 20
+          java-version: 21
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup Gradle