diff --git a/doc/version.txt b/doc/version.txt
index 9f33f3e..e4ad8bc 100755
--- a/doc/version.txt
+++ b/doc/version.txt
@@ -1,3 +1,7 @@
+0.5.2 (2010-02-05)
+- Performance improvements in the XML marshaller
+- Added a class "appy.gen.No" allowing to explain to the end-user why he can't trigger some workflow condition.
+
 0.5.1 (2010-02-02)
 - Bugfixes (encoding problems) in Python-to-XML marshaller.