diff --git a/nicegui/testing/conftest.py b/nicegui/testing/conftest.py
new file mode 100644
index 000000000..c0f5da703
--- /dev/null
+++ b/nicegui/testing/conftest.py
@@ -0,0 +1,7 @@
+import warnings
+
+from .plugin import *  # pylint: disable=wildcard-import,unused-wildcard-import # noqa: F403
+
+# DEPRECATED
+warnings.warn('Importing from nicegui.testing.conftest is deprecated. '
+              'Use pytest_plugins = ["nicegui.testing.plugin"] instead.', DeprecationWarning, stacklevel=-1)