diff --git a/appveyor.yml b/appveyor.yml
index 214b808..e047e7d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,6 +2,11 @@
 # http://www.appveyor.com/docs/appveyor-yml
 
 os: Visual Studio 2015
+environment:
+  VisualStudioVersion: 14.0
+
+configuration: Release
+platform: x64
 
 build:
   verbosity: minimal