diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0d7e937..fdd1595 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -92,13 +92,7 @@ jobs:
         path: coverage
 
     - name: Upload test coverage to Coveralls
+      if: startsWith(matrix.os == 'ubuntu')
       uses: coverallsapp/github-action@master
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
-        parallel: true
-
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        parallel-finished: true