diff --git a/appveyor.yml b/appveyor.yml
index 10c08055..8bc28b77 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,5 @@
 # version format
-version: 1.5.1-{build}
+version: 1.8.0-{build}
 
 # pull request template
 pull_requests: