diff --git a/.github/workflows/test_builds.yml b/.github/workflows/test_builds.yml
index d4c8ac1..16eaeea 100644
--- a/.github/workflows/test_builds.yml
+++ b/.github/workflows/test_builds.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: "3.10"  # build with oldest supported python
+        python-version: "3.14"  # build with oldest supported python
     - name: Build the Zipapp
       run: >-
         python3 scripts/build_zipapp.py