diff --git a/pyproject.toml b/pyproject.toml
index fba68d3..812f86e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -151,6 +151,6 @@ where = ["src"]
 [tool.setuptools_scm]
 
 [tool.pytest.ini_options]
-addopts = "--cov-report=term-missing --cov=ga4gh"
-testpaths = ["tests", "src"]
+addopts = "--cov-report=term-missing --cov=ga4gh.cat_vrs"
+testpaths = ["tests"]
 doctest_optionflags = "ALLOW_UNICODE ALLOW_BYTES ELLIPSIS IGNORE_EXCEPTION_DETAIL NORMALIZE_WHITESPACE"