diff --git a/setup.cfg b/setup.cfg
index 1b1ff54..de7d3d2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,3 +3,5 @@
 
 markers =
   docker: Tests that require to run and interact with a docker container
+  incremental: Test classes containing tests that need to run incrementally
+  slow: Tests that run slower than the average test