diff --git a/.github/workflows/skore.yml b/.github/workflows/skore.yml
index 49f3f06d..96af4cb6 100644
--- a/.github/workflows/skore.yml
+++ b/.github/workflows/skore.yml
@@ -69,6 +69,8 @@ jobs:
 
           # Test
           python -m pytest src/ tests/
+        env:
+          PYTHONUTF8: 1
 
   cleanup:
     runs-on: ubuntu-latest