diff --git a/appveyor.yml b/appveyor.yml
index cc746aa..cca42bc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 version: 2.7.0.{build}
 
 image:
-  - Visual Studio 2015
+  - Visual Studio 2013
   - Visual Studio 2017
 
 skip_tags: true
@@ -9,7 +9,7 @@ skip_tags: true
 for:
   - matrix:
       only:
-        - image: Visual Studio 2015
+        - image: Visual Studio 2013
     before_build:
       - appveyor DownloadFile https://dist.nuget.org/win-x86-commandline/v4.9.2/nuget.exe
       - appveyor DownloadFile https://raw.githubusercontent.com/appveyor/ci/master/scripts/nuget-restore.cmd