diff --git a/.github/workflows/push-docker-demo.yml b/.github/workflows/push-docker-demo.yml
index 8eb67cb6d..5ee6d640a 100644
--- a/.github/workflows/push-docker-demo.yml
+++ b/.github/workflows/push-docker-demo.yml
@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - demo2
+      - demo
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name || github.ref }}
@@ -27,10 +27,10 @@ jobs:
 
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
-          java-version: "17"
+          java-version: "21"
           distribution: "temurin"
 
       - uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0