diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 93b92645..0681560e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -76,20 +76,11 @@ jobs:
     - name: make coverage
       run: |
         CXX=clang++-10 make -j2 config=coverage coverage
-    - name: debug coverage
-      run: |
-        git status
-        git log -5
-        echo SHA: $GITHUB_SHA
     - name: upload coverage
-      uses: coverallsapp/github-action@master
+      uses: codecov/codecov-action@v3
       with:
-        path-to-lcov: ./coverage.info
+        files: ./coverage.info
         github-token: ${{ secrets.GITHUB_TOKEN }}
-    - uses: actions/upload-artifact@v2
-      with:
-        name: coverage
-        path: coverage
 
   web:
     runs-on: ubuntu-latest