diff --git a/.github/workflows/contract.yaml b/.github/workflows/contract.yaml
index aa3b7d232..4c3687242 100644
--- a/.github/workflows/contract.yaml
+++ b/.github/workflows/contract.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.13
       - name: R
         uses: r-lib/actions/setup-r@v2
         with:
@@ -96,7 +96,7 @@ jobs:
       - name: python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.13
 
       - name: R
         uses: r-lib/actions/setup-r@v2