diff --git a/appveyor.yml b/appveyor.yml
index b36ae6b..6e080b6 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -19,7 +19,7 @@ branches:
 #---------------------------------#
 
 # Build worker image (VM template)
-image: Visual Studio 2015
+image: Visual Studio 2017
 
 # scripts that are called at very beginning, before repo cloning
 init: