diff --git a/appveyor.yml b/appveyor.yml
index 98323ba7b..c5e1cf842 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: '1.9.0.{build}'
+version: '1.9.1.{build}'
 
 init:
 - ps: |