diff --git a/appveyor.yml b/appveyor.yml
index 679353c..d44a495 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,7 +4,8 @@ skip_branch_with_pr: true
 image:
   - Visual Studio 2015
   - Visual Studio 2017
-
+  - Ubuntu
+  - macOS
 
 platform: Any CPU