diff --git a/appveyor.yml b/appveyor.yml
index 4becce0..eb63740 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@
 #---------------------------------#
 
 # version format
-version: 0.3.{build}
+version: 0.4.{build}
 pull_requests:
   do_not_increment_build_number: true