diff --git a/.appveyor.yml b/.appveyor.yml
index 001d043..83376c1 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,11 +1,12 @@
 shallow_clone: true
 
 os:
-  - Visual Studio 2017
+  - Visual Studio 2019
 
 environment:
   matrix:
   - TOOLSET: vs2017
+  - TOOLSET: vs2019
 
 configuration:
   - Debug