diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/core.yaml
similarity index 83%
rename from .gitea/workflows/build.yaml
rename to .gitea/workflows/core.yaml
index fb93745..5d43dc7 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/core.yaml
@@ -1,7 +1,8 @@
 on:
-  push:
-    branches:
-      - main
+  workflow_run:
+    workflows: ["stage"]
+    types:
+      - completed
 
 jobs:
   build:
@@ -35,26 +36,6 @@ jobs:
           username: ${{ vars.CONTAINER_REGISTRY_USERNAME }}
           password: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}
 
-      - name: Restore stage3 cache
-        uses: actions/cache/restore@v4
-        with:
-          path: fetch/bootstrap/stage3
-          key: stage3-${{ hashFiles('packages/bootstrap/stage3/package.toml') }}
-      - name: Fetch stage3
-        run: |
-          python3 ./src/fetch.py stage3
-      - name: Save stage3 cache
-        uses: actions/cache/save@v4
-        with:
-          path: fetch/bootstrap/stage3
-          key: stage3-${{ hashFiles('packages/bootstrap/stage3/package.toml') }}
-      - name: Build stage3
-        env:
-          CONTAINER_REGISTRY: ${{ vars.CONTAINER_REGISTRY }}
-        run: |
-          sed -i 's|stagex/bootstrap-stage2|docker.io/stagex/bootstrap-stage2|' packages/bootstrap/stage3/Containerfile
-          make registry-bootstrap-stage3 PROGRESS=plain BUILDER="docker buildx" PLATFORM=linux/amd64,linux/arm64 REGISTRY_USERNAME=$CONTAINER_REGISTRY/okami101/stagex
-
       - name: Restore filesystem cache
         uses: actions/cache@v4
         with:
diff --git a/.gitea/workflows/stage.yaml b/.gitea/workflows/stage.yaml
new file mode 100644
index 0000000..8f82df3
--- /dev/null
+++ b/.gitea/workflows/stage.yaml
@@ -0,0 +1,48 @@
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        run: |
+          git config --global advice.detachedHead false
+          git clone --branch 2025.05.2 --depth 1 https://codeberg.org/stagex/stagex.git $GITHUB_WORKSPACE
+
+      - name: Setup SSH for Buildx
+        uses: MrSquaare/ssh-setup-action@v3
+        with:
+          host: 10.0.0.101
+          private-key: ${{ secrets.RUNNER_SSH_PRIVATE_KEY }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          endpoint: ssh://root@10.0.0.101
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ vars.CONTAINER_REGISTRY }}
+          username: ${{ vars.CONTAINER_REGISTRY_USERNAME }}
+          password: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}
+
+      - name: Restore stage3 cache
+        uses: actions/cache/restore@v4
+        with:
+          path: fetch/bootstrap/stage3
+          key: stage3-${{ hashFiles('packages/bootstrap/stage3/package.toml') }}
+      - name: Fetch stage3
+        run: |
+          python3 ./src/fetch.py stage3
+      - name: Save stage3 cache
+        uses: actions/cache/save@v4
+        with:
+          path: fetch/bootstrap/stage3
+          key: stage3-${{ hashFiles('packages/bootstrap/stage3/package.toml') }}
+      - name: Build stage3
+        env:
+          CONTAINER_REGISTRY: ${{ vars.CONTAINER_REGISTRY }}
+        run: |
+          sed -i 's|stagex/bootstrap-stage2|docker.io/stagex/bootstrap-stage2|' packages/bootstrap/stage3/Containerfile
+          make registry-bootstrap-stage3 PROGRESS=plain BUILDER="docker buildx" PLATFORM=linux/amd64,linux/arm64 REGISTRY_USERNAME=$CONTAINER_REGISTRY/okami101/stagex