diff --git a/.github/workflows/CD.yml b/.github/workflows/CD.yml
index d884a8d6..dc740787 100644
--- a/.github/workflows/CD.yml
+++ b/.github/workflows/CD.yml
@@ -10,8 +10,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-latest", "windows-latest"] # , "macos-latest"]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        os: ${{ fromJSON(vars.BUILD_OS)}}
+        python-version: ${{ fromJSON(vars.PYTHON_VERSIONS)}}
     steps:
       - uses: actions/checkout@v2
       - uses: conda-incubator/setup-miniconda@v2
@@ -59,8 +59,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-latest",  "windows-latest"] # , "macos-latest"]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        os: ${{ fromJSON(vars.BUILD_OS)}}
+        python-version: ${{ fromJSON(vars.PYTHON_VERSIONS)}}
     steps:
       - uses: conda-incubator/setup-miniconda@v2
         with: