diff --git a/.appveyor.yml b/.appveyor.yml
index 941f4c205..e8f6fe6f0 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,5 +1,9 @@
 clone_depth: 50
 
+image:
+  - Visual Studio 2015
+  - Visual Studio 2017
+
 environment:
   global:
     TESTS_REDUCED_KEYLENGTHS: yes