diff --git a/synthtool/gcp/templates/python_library/.github/workflows/unittest.yml b/synthtool/gcp/templates/python_library/.github/workflows/unittest.yml
index 57d4aa422..175483bd9 100644
--- a/synthtool/gcp/templates/python_library/.github/workflows/unittest.yml
+++ b/synthtool/gcp/templates/python_library/.github/workflows/unittest.yml
@@ -54,4 +54,4 @@ jobs:
     - name: Report coverage results
       run: |
         coverage combine .coverage-results/.coverage*
-        coverage report --show-missing --fail-under=100
+        coverage report --show-missing --fail-under={{ cov_level if cov_level != None else 100 }}