diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c0329e4..7ccf9a5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest]
         python-version: [3.6, 3.7, 3.8]
     runs-on: ${{ matrix.os }}
     steps: