diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 00000000..f77701dd
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,7 @@
+[pytest]
+markers =
+    data_dependent: marks tests depending on data (deselect with '-m "not data_dependent"')
+    auth: marks tests that require authentication (deselect with '-m "not auth"')
+    gpu: marks tests that require a GPU (deselect with '-m "not gpu"')
+
+tmp_path_retention_policy = none