diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 00000000..ea522908
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,6 @@
+[pytest]
+markers =
+    unittest: description for unit test marker
+    slow: marks tests as slow
+    integration: marks tests as integration tests
+