diff --git a/.github/workflows/python_runtime_contract.yml b/.github/workflows/python_runtime_contract.yml
index a859678..f1c2ed7 100644
--- a/.github/workflows/python_runtime_contract.yml
+++ b/.github/workflows/python_runtime_contract.yml
@@ -23,7 +23,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.10', '3.11', '3.12']
+        # README.md says 3.9 or above; 3.9 is past end-of-life, so cover 3.10 up
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout code