diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5228726..cf73193 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -86,6 +86,7 @@ jobs:
         ${ENV:GIT_TRACE}=1
         git config --global user.email "you@example.com"
         git config --global user.name "Your Name"
+        ${ENV:PYTHONIOENCODING}='utf-8'
         python -m pip install -r test/py/requirements.txt
         python test/py/testing.py --download_repos true --database_file_path repos.yaml --third_party_path test\designs