diff --git a/appveyor.yml b/appveyor.yml
index 8af5ebe..ed6231b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,12 +1,12 @@
-version: 2.0.{build}
+version: 4.0.0.{build}
 configuration: Release
 platform: Any CPU
 assembly_info:
   patch: true
   file: '**\AssemblyInfo.*'
-  assembly_version: '2.0.0.1'
+  assembly_version: '4.0.0'
   assembly_file_version: '{version}'
-  assembly_informational_version: '{version}'
+  assembly_informational_version: '4.0'
 nuget:
   project_feed: true
   disable_publish_on_pr: true