diff --git a/.github/workflows/auto-build.yml b/.github/workflows/auto-build.yml
index 79b20e7..0998bc4 100644
--- a/.github/workflows/auto-build.yml
+++ b/.github/workflows/auto-build.yml
@@ -13,11 +13,27 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Install Ninja
+        run: |
+          choco install ninja -y
+
       - name: Install Python requirements
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
 
-      - name: Download & Build Aseprite
+      - name: Download Aseprite
+        run: |
+          python download.py
+
+      - name: Setup MSVC Developer Command Prompt
+        uses: TheMrMilchmann/setup-msvc-dev@v3
+        with:
+          arch: x64
+
+      - name: Build Aseprite
         run: |
-          python main.py
+          mkdir build
+          cd build
+          cmake ../src/aseprite -G Ninja -DCMAKE_BUILD_TYPE=MinSizeRel -DLAF_BACKEND=skia -DSKIA_DIR=../src/skia -DSKIA_LIBRARY_DIR=../src/skia/out/Release-x64 -DSKIA_LIBRARY=../src/skia/out/Release-x64/skia.lib
+          ninja aseprite
diff --git a/main.py b/download.py
similarity index 100%
rename from main.py
rename to download.py