diff --git a/.github/workflows/viewer-build.yml b/.github/workflows/viewer-build.yml
index 628de39f..5b891bb2 100644
--- a/.github/workflows/viewer-build.yml
+++ b/.github/workflows/viewer-build.yml
@@ -19,7 +19,8 @@ jobs:
     strategy:
       matrix:
         #os: [ ubuntu-latest, windows-latest, macos-latest ]
-        os: [ ubuntu-latest, windows-latest ]
+        #os: [ ubuntu-latest, windows-latest ]
+        os: [ macos-latest ]
 
     runs-on: ${{ matrix.os }}