diff --git a/.appveyor.yml b/.appveyor.yml
index 04b81d8..71be6ce 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,5 +1,5 @@
 version: 1.0.{build}
-os: Visual Studio 2015 RC
+os: Visual Studio 2017
 
 branches: 
   only: