diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 676ce43..fec65fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,11 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - '3.9'
+          - '3.12'
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/supply-chain.yml b/.github/workflows/supply-chain.yml
index bc3c3ea..cf9ab83 100644
--- a/.github/workflows/supply-chain.yml
+++ b/.github/workflows/supply-chain.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.8'
-          - '3.11'
+          - '3.9'
+          - '3.12'
 
     steps:
     - uses: actions/checkout@v3