diff --git a/.github/workflows/lotto-buy.yml b/.github/workflows/lotto-buy.yml
index c00a561..fa9a967 100644
--- a/.github/workflows/lotto-buy.yml
+++ b/.github/workflows/lotto-buy.yml
@@ -74,6 +74,7 @@ jobs:
           .venv/bin/pip install -r lotto-runner/requirements.txt
 
       - name: Chrome 설치
+        id: setup-chrome
         uses: browser-actions/setup-chrome@v1
         with:
           install-dependencies: true
@@ -81,7 +82,7 @@ jobs:
 
       - name: Chrome 확인
         run: |
-          chrome --version || google-chrome --version || chromium --version
+          "${{ steps.setup-chrome.outputs.chrome-path }}" --version
 
       - name: 로또 구매 실행
         env:
@@ -89,4 +90,5 @@ jobs:
           LOTTO_USER_PW: ${{ secrets.LOTTO_USER_PW }}
           TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
           TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
+          CHROME_BIN: ${{ steps.setup-chrome.outputs.chrome-path }}
         run: .venv/bin/python3 lotto-runner/lotto_auto_buy.py
diff --git a/lotto-runner/lotto_auto_buy.py b/lotto-runner/lotto_auto_buy.py
index 8bd93c1..b35c382 100644
--- a/lotto-runner/lotto_auto_buy.py
+++ b/lotto-runner/lotto_auto_buy.py
@@ -59,6 +59,10 @@ logger = logging.getLogger(__name__)
 def create_driver():
     """Chrome WebDriver 생성"""
     options = Options()
+    # CI 환경에서 setup-chrome이 설치한 Chrome 바이너리 경로 지정
+    chrome_bin = os.environ.get("CHROME_BIN", "")
+    if chrome_bin:
+        options.binary_location = chrome_bin
     if CONFIG["HEADLESS"]:
         options.add_argument("--headless=new")
     options.add_argument("--no-sandbox")