diff --git a/.appveyor.yml b/.appveyor.yml
index d031e82a4c..ead907ab86 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -34,7 +34,7 @@ pull_requests:
 #---------------------------------#
 
 # Operating system (build VM template)
-os: Visual Studio 2017
+os: Visual Studio 2019
 
 # scripts that are called at very beginning, before repo cloning
 init: