diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b3c0340..5a379986 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,11 +11,10 @@ jobs:
       - uses: pre-commit/action@v3.0.0
 
   test:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: true
       matrix:
-        os: ["ubuntu-latest", "windows-latest", "macos-latest"]
         python-version: ["3.9", "3.10", "3.11"]
 
     steps: