diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index 26166e84f..2bcbc13ae 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -10,11 +10,18 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11.0-rc.1"]
+        exclude:
+          - os: macos-latest
+            python-version: "3.10"
+          - os: macos-latest
+            python-version: "3.11.0-rc.1"
+          - os: windows-latest
+            python-version: "3.11.0-rc.1"
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
@@ -28,8 +35,3 @@ jobs:
       - name: Unittest and Coverage Report
         run: |
           python run_tests.py
-      - name: coveralls.io
-        uses: AndreMiras/coveralls-python-action@develop
-        with:
-          # coveralls repo token
-          github-token: "SmlfzlVJy4ow55rduU7IU5GmmFCfAdGeq"