diff --git a/.github/workflows/lotto-buy.yml b/.github/workflows/lotto-buy.yml
index 3b6c11f..5657ae4 100644
--- a/.github/workflows/lotto-buy.yml
+++ b/.github/workflows/lotto-buy.yml
@@ -12,14 +12,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Python 설정
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.x'
-          cache: 'pip'
-
       - name: 의존성 설치
-        run: pip install -r requirements.txt
+        run: |
+          python3 -m venv .venv
+          .venv/bin/pip install -r requirements.txt
 
       - name: Chrome 설치
         uses: browser-actions/setup-chrome@v1
@@ -28,4 +24,4 @@ jobs:
         env:
           LOTTO_USER_ID: ${{ secrets.LOTTO_USER_ID }}
           LOTTO_USER_PW: ${{ secrets.LOTTO_USER_PW }}
-        run: python3 lotto_auto_buy.py
+        run: .venv/bin/python3 lotto_auto_buy.py