diff --git a/manifest b/manifest
index 8799a5e..f9d4e42 100644
--- a/manifest
+++ b/manifest
@@ -1,6 +1,6 @@
 : 1
 name: libasio
-version: 1.28.0
+version: 1.29.0-a.0.z
 language: c++
 summary: Cross-platform C++ library for asynchronous network programming
 license: BSL-1.0 ; Boost Software License 1.0.