diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index be32e52..dabac3d 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -9,6 +9,11 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: graalvm
+          java-version: 21
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
       - name: Execute Gradle build