diff --git a/.appveyor.yml b/.appveyor.yml
index dab27a5..b72256f 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,12 +1,12 @@
 shallow_clone: true
 
 os:
-  - Visual Studio 2015
+  - Visual Studio 2017
 
 environment:
   matrix:
-  - TOOLSET: vs2013
   - TOOLSET: vs2015
+  - TOOLSET: vs2017
 
 configuration:
   - Debug