diff --git a/.github/workflows/install_learnware_with_pip.yaml b/.github/workflows/install_learnware_with_pip.yaml
index ff5a34c..4b4f86a 100644
--- a/.github/workflows/install_learnware_with_pip.yaml
+++ b/.github/workflows/install_learnware_with_pip.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest, ubuntu-20.04, ubuntu-22.04, macos-11, macos-latest]
+        os: [ubuntu-20.04]
         python-version: [3.8, 3.9]
 
     steps: