diff --git a/pyproject.toml b/pyproject.toml
index 04691e9729fb2d2d0e7fc2975d8ec69ab43e385a..0d47e026c4acdbae1a312bb16ba44a14175e70ba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ jupyter-nbextensions-configurator = "^0.6.1"
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 python_files = ["test_*.py"]
-addopts = "--strict-markers --suppress-no-test-exit-code --color=yes"
+addopts = "--strict-markers --suppress-no-test-exit-code --color=yes --cov-branch -v"
 filterwarnings = "error"
 markers = "webtest: mark a test as requiring internet connecttion"