diff --git a/appveyor.yml b/appveyor.yml
index 6b5fc9c1..3f21e756 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,16 +18,16 @@ environment:
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       TOOLSET: v140
-      SDK: 10.0
+      SDK: 8.1
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       TOOLSET: v141
-      SDK: 10.0
+      SDK: 8.1
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: v142
       SDK: 10.0
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
       TOOLSET: v143
-      SKD: 10.0
+      SDK: 10.0
     - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu2204
     - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu2204
       QT: 5.15