diff --git a/src/p4p/version.py b/src/p4p/version.py
index 23c763b..a24f069 100644
--- a/src/p4p/version.py
+++ b/src/p4p/version.py
@@ -67,4 +67,4 @@ def __ge__(self, o):
     def __gt__(self, o):
         return self._cmp(o)>0
 
-version = Version('4.2.0a1')
+version = Version('4.2.0a2')