diff --git a/appveyor.yml b/appveyor.yml
index 794c10e..23f676d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 4.0.0.{build}-alpha
+version: 4.0.1
 image: Visual Studio 2017
 assembly_info:
   patch: true