diff --git a/.gitea/workflows/jdk.yaml b/.gitea/workflows/jdk.yaml
index 3b8a66b..bbff9fa 100644
--- a/.gitea/workflows/jdk.yaml
+++ b/.gitea/workflows/jdk.yaml
@@ -88,6 +88,19 @@ jobs:
     #image: eclipse-temurin:21-jdk
 
     steps:
+      - name: Setup Java 21 manually
+        run: |
+          download_url="https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.tar.gz"
+          wget -q -O /tmp/jdk.tar.gz $download_url
+          mkdir -p /opt/jdk
+          tar -xzf /tmp/jdk.tar.gz -C /opt/jdk --strip-components=1
+          echo "JAVA_HOME=/opt/jdk" >> $GITHUB_ENV
+          echo "/opt/jdk/bin" >> $GITHUB_PATH
+
+      - name: Verify Java setup
+        run: |
+          java -version
+
       # Install Maven manually
       - name: Download and extract OpenJDK 21
         run: |