diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 516191f..c3441bb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,6 +22,7 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
+          - '3.12-dev'
 
     name: Python ${{ matrix.python_version }} (${{ matrix.os }})
     steps: