diff --git a/appveyor.yml b/appveyor.yml
index 6941a35..e920b58 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,6 +11,11 @@ branches:
     - master
     - develop
 
+environment:
+  matrix:
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+
 install:
   - cd ..
   - git clone -b %APPVEYOR_REPO_BRANCH% https://github.com/boostorg/boost.git boost-root