diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 98718c7..36f0bf6 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -88,6 +88,29 @@ jobs:
       image: eclipse-temurin:21-jdk
 
     steps:
+      - name: Detect act environment
+        id: detect-act
+        run: |
+          if command -v act >/dev/null 2>&1; then
+          echo "Running inside act"
+          echo "ACT=true" >> $GITHUB_ENV
+          else
+          echo "ACT=false" >> $GITHUB_ENV
+          fi
+
+          - name: Install dependencies (for both GitHub and act)
+            run: |
+              if [ "$ACT" = "true" ]; then
+                echo "Installing dependencies for act..."
+                if ! command -v sudo >/dev/null 2>&1; then
+                  apt-get update && apt-get install -y sudo
+                fi
+                sudo apt-get update && sudo apt-get install -y curl build-essential
+              else
+                echo "Installing dependencies for GitHub Actions..."
+                sudo apt-get update -qq
+                sudo apt-get install -y curl build-essential
+              fi
       # Checkout repository
       - name: Checkout repository manually
         env: