diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 856d6fa..5cdb874 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -3,7 +3,7 @@ name: Docker Build && Push Image
 on:
   workflow_dispatch:
   schedule:
-    - cron:  '0 2 * * 6'
+    - cron:  '0 14 * * 6'
   release:
     types: [published] 
     
@@ -69,65 +69,6 @@ jobs:
         labels: ${{ steps.meta.outputs.labels }}
         target: openjij-builder
         
-  build-and-push-image-minimum:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-    steps:
-    - uses: actions/checkout@v4
-    - name: Log in to the Container registry
-      uses: docker/login-action@v3
-      with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Extract metadata (tags, labels) for Docker
-      id: meta
-      uses: docker/metadata-action@v5
-      with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-minimum-manylinux_2_28_x86_64
-          flavor: |
-            latest=true
-          tags: |
-            type=schedule,pattern={{date 'YYYYMMDD'}},enable=true,priority=1000
-            type=pep440,pattern={{version}}
-            type=raw,enable=true,priority=100,value=0.0.0
-    - name: Expose GitHub Runtime
-      uses: crazy-max/ghaction-github-runtime@v3
-    - name: Env
-      run: |
-          env|sort 
-    - name: Set up Docker Buildx
-      id: buildx
-      uses: docker/setup-buildx-action@v3
-      with:
-        version: latest
-        driver: docker-container
-        driver-opts: image=moby/buildkit:master
-        buildkitd-flags: --debug
-        config: .github/buildkitd.toml
-        install: true
-    - name: Inspect builder
-      run: |
-          echo "Name:      ${{ steps.buildx.outputs.name }}"
-          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
-          echo "Status:    ${{ steps.buildx.outputs.status }}"
-          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
-          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
-    - name: Build and push
-      uses: docker/build-push-action@v5
-      with:
-        context: .
-        push: true
-        outputs: type=image,push=true,compression=gzip,compression-level=9,force-compression=true
-        tags: ${{ steps.meta.outputs.tags }}
-        labels: ${{ steps.meta.outputs.labels }}
-        target: openjij-builder-minimum
-        cache-from: type=gha
-        cache-to: type=gha,mode=max      
-        
-        
   build-and-push-image-old:
     runs-on: ubuntu-latest
     permissions:
@@ -184,60 +125,3 @@ jobs:
         labels: ${{ steps.meta.outputs.labels }}
         target: openjij-builder-old       
         
-  build-and-push-image-old-minimum:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-    steps:
-    - uses: actions/checkout@v4
-    - name: Log in to the Container registry
-      uses: docker/login-action@v3
-      with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Extract metadata (tags, labels) for Docker
-      id: meta
-      uses: docker/metadata-action@v5
-      with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-minimum-manylinux2014_x86_64
-          flavor: |
-            latest=true
-          tags: |
-            type=schedule,pattern={{date 'YYYYMMDD'}},enable=true,priority=1000
-            type=pep440,pattern={{version}}
-            type=raw,enable=true,priority=100,value=0.0.0
-    - name: Expose GitHub Runtime
-      uses: crazy-max/ghaction-github-runtime@v3
-    - name: Env
-      run: |
-          env|sort 
-    - name: Set up Docker Buildx
-      id: buildx
-      uses: docker/setup-buildx-action@v3
-      with:
-        version: latest
-        driver: docker-container
-        driver-opts: image=moby/buildkit:master
-        buildkitd-flags: --debug
-        config: .github/buildkitd.toml
-        install: true
-    - name: Inspect builder
-      run: |
-          echo "Name:      ${{ steps.buildx.outputs.name }}"
-          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
-          echo "Status:    ${{ steps.buildx.outputs.status }}"
-          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
-          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
-    - name: Build and push
-      uses: docker/build-push-action@v5
-      with:
-        context: .
-        push: true
-        outputs: type=image,push=true,compression=gzip,compression-level=9,force-compression=true
-        tags: ${{ steps.meta.outputs.tags }}
-        labels: ${{ steps.meta.outputs.labels }}
-        target: openjij-builder-old-minimum
-        cache-from: type=gha
-        cache-to: type=gha,mode=max