diff --git a/.github/workflows/buildAndTest.yaml b/.github/workflows/buildAndTest.yaml
index 19d74de..6e7fce5 100644
--- a/.github/workflows/buildAndTest.yaml
+++ b/.github/workflows/buildAndTest.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        xcode: [15.0.1]
+        xcode: [14.3.1]
     steps:      
     # uses 키워드를 통해 Github Actions에서 기본으로 제공하는 액션을 사용 가능. 아래 액션은 repository 에 체크아웃하는 것
     - uses: actions/checkout@v3