diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a93d8ac..61f9732 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,17 +8,12 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.platform }}
     strategy:
       matrix:
         # test on same versions as fonttools
         python-version: ["3.10"]
         platform: [ubuntu-latest, macos-latest, windows-latest]
-        exclude: # Only test on the latest supported stable Python on macOS and Windows.
-          - platform: macos-latest
-            python-version: 3.10
-          - platform: windows-latest
-            python-version: 3.10
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}