diff --git a/django/__init__.py b/django/__init__.py
index 3d275f5208..69886defe6 100644
--- a/django/__init__.py
+++ b/django/__init__.py
@@ -1,4 +1,4 @@
-VERSION = (1, 5, 9, 'final', 0)
+VERSION = (1, 5, 10, 'alpha', 0)
 
 def get_version(*args, **kwargs):
     # Don't litter django/__init__.py with all the get_version stuff.