diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e3435208b..f245f6964 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   tests:
     name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
 
     strategy:
       matrix:
@@ -34,7 +34,7 @@ jobs:
       run: python -m pip install --upgrade pip setuptools virtualenv wheel
 
     - name: Install dependencies
-      run: python -m pip install --upgrade tox
+      run: python -m pip install --upgrade codecov tox
 
     - name: Install tox-py
       if: ${{ matrix.python-version == '3.6' }}
@@ -54,8 +54,5 @@ jobs:
         tox -e base,dist,docs
 
     - name: Upload coverage
-    - uses: codecov/codecov-action@v3.1.0
-      with:
-        flags: unittests # optional
-        fail_ci_if_error: true # optional (default = false)
-        verbose: true # optional (default = false)
+      run: |
+        codecov -e TOXENV,DJANGO