diff --git a/appveyor.yml b/appveyor.yml
index 81471b3..0256b03 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 3.0.{build}
+version: 3.1.{build}
 image: Visual Studio 2022
 configuration:
 - Release