diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index fe6ece843..7b42c1294 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -41,18 +41,8 @@ jobs:
         uses: actions/checkout@v2
       - name: Test
         run: ./ci/run_tests.sh ${{ matrix.test-env }}
-        env:
-          DO_COVERALLS: ${{ !contains(matrix.container, 'py3') }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COVERALLS_PARALLEL: true
-          COVERALLS_FLAG_NAME: test-${{ matrix.test-env }}
-  coveralls:
-    name: Coveralls Finished
-    needs: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        parallel-finished: true
+      - name: Upload Coverage
+        if: ${{ !contains(matrix.container, 'py3') }}
+        run: |
+            curl -o codecov.sh -f https://codecov.io/bash || curl -o codecov.sh -f https://codecov.io/bash || curl -o codecov.sh -f https://codecov.io/bash
+            bash codecov.sh -n "${{ matrix.test-env }} on ${{ matrix.container }}"
diff --git a/ci/run_tests.sh b/ci/run_tests.sh
index f7d2a865c..08e7ada08 100755
--- a/ci/run_tests.sh
+++ b/ci/run_tests.sh
@@ -26,17 +26,10 @@ fi
 
 [[ -d .git ]] || export SETUPTOOLS_SCM_PRETEND_VERSION="g$GITHUB_SHA"
 
-$PIP install --upgrade git+https://github.com/TimoRoth/coveralls-python.git coverage git+https://github.com/fmaussion/salem.git
+$PIP install --upgrade pytest-cov git+https://github.com/fmaussion/salem.git
 $PIP install -e .
 
-coverage erase --rcfile=.coveragerc
-
-coverage run --rcfile=.coveragerc --source=./oggm --parallel-mode --module \
-    pytest --verbose --mpl-upload $OGGM_MPL --run-slow --run-test-env $OGGM_TEST_ENV oggm
-
-coverage combine --rcfile=.coveragerc
-coverage report --skip-covered --rcfile=.coveragerc
-
-if [[ $DO_COVERALLS == true ]]; then
-    coveralls
-fi
+pytest \
+    --verbose \
+    --cov-config="$PWD/.coveragerc" --cov-report=xml --cov=oggm \
+    --mpl-upload $OGGM_MPL --run-slow --run-test-env $OGGM_TEST_ENV oggm