diff --git a/appveyor.yml b/appveyor.yml
index 5121096..1a639e8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 # http://www.appveyor.com/docs/appveyor-yml
 
 environment:
-  base_version: 1.2.2
+  base_version: 1.2.3
 
 version: $(base_version).{build}