diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9194ad5..e23a7e0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ macos-latest, windows-latest ]
+        os: [ macOS,Windows ]
     runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout
@@ -26,4 +26,5 @@ jobs:
         version: vcs
         build: official
         token: ${{ secrets.DLTK }}
-
+        
+        
\ No newline at end of file