diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index de875ad..2a92583 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,17 +5,14 @@ jobs:
     test-and-coverage:
         strategy:
           matrix:
-            python-version: ['2.7', '3.12']
+            python-version: ['2.7','3.12']
+        container:
+          image: python:${{ matrix.python-version }}
         runs-on: ubuntu-latest
         steps:
             - name: checkout repo content
               uses: actions/checkout@v4
 
-            - name: Setup Python
-              uses: actions/setup-python@v5
-              with:
-                python-version: ${{ matrix.python-version }}
-
             - name: Install Python requirements
               run: |
                 pip install --upgrade pip