diff --git a/src/Properties/AssemblyInfo.cs b/src/Properties/AssemblyInfo.cs
index 9f9a1b27..c44d2632 100644
--- a/src/Properties/AssemblyInfo.cs
+++ b/src/Properties/AssemblyInfo.cs
@@ -39,4 +39,4 @@
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("21.08.0.0")]
+[assembly: AssemblyVersion("21.09.0.0")]