diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 3d16734..e6c4c3d 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -15,6 +15,10 @@ jobs:
         java-version: '17'
         distribution: 'temurin'
         cache: maven
+    - name: Set up Maven
+      uses: stCarolas/setup-maven@v4.5
+      with:
+        maven-version: 3.8.2
     - name: Build with Maven
       run: mvn -B package --file pom.xml