diff --git a/appveyor.yml b/appveyor.yml
index 65834a5..e2cca31 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 1.2.0
+version: 1.2.1.{build}-beta
 assembly_info:
   patch: true
   file: '**\AssemblyInfo.*'