diff --git a/appveyor.yml b/appveyor.yml
index f5c221efd..6b1410b69 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,6 +13,10 @@ branches:
 platform:
     - x86
     - x64
+os:
+    - Visual Studio 2010
+    - Visual Studio 2015
+
 configuration: Release
 
 build: