diff --git a/_pytest/__init__.py b/_pytest/__init__.py
index 613e036d3..1896cecd7 100644
--- a/_pytest/__init__.py
+++ b/_pytest/__init__.py
@@ -1,2 +1,2 @@
 #
-__version__ = '2.8.3'
+__version__ = '2.8.4.dev1'