Release preparation
diff --git a/src/AddressBook/Properties/AssemblyInfo.cs b/src/AddressBook/Properties/AssemblyInfo.cs
index aac45d5..749ffea 100644
--- a/src/AddressBook/Properties/AssemblyInfo.cs
+++ b/src/AddressBook/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.9.0.0")]
+[assembly: AssemblyFileVersion("0.9.0.0")]