diff --git a/pyproject.toml b/pyproject.toml
index 88e9a19..c9cf96b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ include = [
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
-addopts = "-ra"
+addopts = "-ra --import-mode=importlib"
 markers = [
     "integration: tests requiring external hardware or services",
 ]