diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2faa4b548..012550ef0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,8 +19,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
+        os: 
+          [ "ubuntu-latest", "macos-latest" ]
         python-version:
-          - "3.11"
+          [ "3.11", "3.12" ]
       fail-fast: false
     name: freeze versions (Python ${{ matrix.python-version }})
     steps:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 92e981231..f2f1727ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       matrix:
         os: [ "ubuntu-latest", "macos-latest" ]
-        python-version: [ "3.11" ]
+        python-version: [ "3.11", "3.12" ]
       fail-fast: false
     env:
       PYTHONUNBUFFERED: 1