diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index 953a60e..5a0ccc8 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -37,6 +37,7 @@ jobs:
 
       - name: Build wheels and source tarball
         run: |
+          rm -rf dist/
           poetry version $(poetry version --short)-dev.$GITHUB_RUN_NUMBER
           poetry version --short
           poetry build