diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index c9b56cf..d3a7f62 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -14,12 +14,15 @@ jobs:
       matrix:
         include:
         - operating-system: macos-latest
-          python-version: '3.12'
+          python-version: '3.13'
 
         - operating-system: ubuntu-latest
-          python-version: '3.12'
+          python-version: '3.13'
 
         - operating-system: windows-latest
+          python-version: '3.13'
+
+        - operating-system: ubuntu-latest
           python-version: '3.12'
 
         - operating-system: ubuntu-latest