diff --git a/appveyor.yml b/appveyor.yml
index c0f473daa..e82a3a852 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -36,6 +36,7 @@ environment:
     WITHLANG: python
     VER: 37
     PY3: 3
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
   - BUILDSYSTEM: cmake
     VSVER: 14