diff --git a/.github/workflows/release_test_pypi_before_merge.yml b/.github/workflows/release_test_pypi_before_merge.yml
index 69f481f39..59c337115 100644
--- a/.github/workflows/release_test_pypi_before_merge.yml
+++ b/.github/workflows/release_test_pypi_before_merge.yml
@@ -16,7 +16,7 @@ jobs:
 
     - uses: actions/setup-python@v2
       with:
-        python-version: '3.9.0'
+        python-version: '3.9'
 
     - name: add timestamp to the version
       id: prep-version