diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index 358a7aa..e7b73d3 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -5,10 +5,7 @@ on: [push, pull_request]
 jobs:
   build:
 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+    runs-on: windows-latest
         
     steps:
     - uses: hecrj/setup-rust-action@master