diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 54d1c67..82a2bfc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,10 +3,7 @@ on: [push, pull_request]
 
 jobs:
   test:
-    strategy:
-      matrix:
-        os: [macos-latest, ubuntu-latest, windows-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3