diff --git a/appveyor.yml b/appveyor.yml
index 58724a2..903014e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
 version: '{build}'
 pull_requests:
   do_not_increment_build_number: true
-os: Visual Studio 2017
+os: Visual Studio 2019
 shallow_clone: false
 
 environment: