diff --git a/.github/workflows/publish_to_testpypi.yml b/.github/workflows/publish_to_testpypi.yml
index 16e24c0..4745d6f 100644
--- a/.github/workflows/publish_to_testpypi.yml
+++ b/.github/workflows/publish_to_testpypi.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.8"
     - name: Install pypa/build
       run: >-
         python3 -m