diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 2e25326..3fd8394 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -6,6 +6,10 @@ jobs:
   Explore-Gitea-Actions:
     runs-on: ubuntu-latest
     steps:
+      - name: Ensure That Build system available
+        run: |
+          apt update
+          apt install -y --noninteractive make ninja-build gcc
       - name: Prepare Environment
         run: |
           python3 -m venv ~/py/