diff --git a/appveyor.yml b/appveyor.yml
index dd16d9d..1665929 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 0.3.2.{build}
+version: 0.4.1.{build}
 environment:
   CC: cl.exe
   CXX: cl.exe