diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 7723b42..98718c7 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -85,7 +85,7 @@ jobs:
     name: Set up Java for Backend Tests and Build
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/adoptium/temurin:21-jdk
+      image: eclipse-temurin:21-jdk
 
     steps:
       # Checkout repository