diff --git a/setup.py b/setup.py
index 31e1b6d4a..5fd663f95 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ import subprocess
 import platform
                         
 name = 'gramps'
-version = "3.4.0"
+version = "trunk"
 
 PO_DIR = 'po'
 MO_DIR = os.path.join('build', 'mo')