diff --git a/.github/workflows/mypy_primer.yml b/.github/workflows/mypy_primer.yml
index 7f1dbb9a5..6bddd58f8 100644
--- a/.github/workflows/mypy_primer.yml
+++ b/.github/workflows/mypy_primer.yml
@@ -31,7 +31,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: Install dependencies
         run: pip install git+https://github.com/hauntsaninja/mypy_primer.git
       - name: Run mypy_primer