diff --git a/.github/workflows/Android-CI.yml b/.github/workflows/Android-CI.yml
index 39647558..cd87a29d 100644
--- a/.github/workflows/Android-CI.yml
+++ b/.github/workflows/Android-CI.yml
@@ -3,6 +3,36 @@ name: PullRequest
 on: [ pull_request ]
 
 jobs:
+  build:
+    name: build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ macOS-13 ]
+        java_version: [ 17 ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install JDK ${{ matrix.java_version }}
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'adopt'
+          java-version: ${{ matrix.java_version }}
+      - uses: gradle/actions/wrapper-validation@v3
+      - name: Install Android SDK
+        uses: hannesa2/action-android/install-sdk@0.1.16.7
+      - name: build
+        run: ./gradlew build
+        env:
+          VERSION: ${{ github.ref }}
+      - name: investigate aar
+        run: find . -name "*release.aar"
+      - name: investigate jar
+        run: find . -name "IOIO*.jar"
+
   buildTest:
     name: Test
     runs-on: ${{ matrix.os }}
@@ -52,6 +82,7 @@ jobs:
           path:  |
             applications/**/build/outputs/connected_android_test_additional_output/debugAndroidTest/connected
             applications/**/build/outputs/androidTest-results/connected
+
   Check:
     name: Check
     runs-on: ${{ matrix.os }}