diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index c934f7c..7dcf0b4 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -12,16 +12,18 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
+    container:
+      image: python:2.7.18-buster
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.0.1"]
+        python-version: ["2.7"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies