diff --git a/.github/workflows/msbuild.yml b/.github/workflows/msbuild.yml
index 40d15d5..f2fddad 100644
--- a/.github/workflows/msbuild.yml
+++ b/.github/workflows/msbuild.yml
@@ -24,7 +24,7 @@ jobs:
 
       - name: Build WinObjEx64
         working-directory: ./Source
-        run: msbuild /m /p:Platform=x64 /p:Configuration=Release /p:PlatformToolset=v143 WinObjEx64.sln
+        run: msbuild /m /p:Platform=x64 /p:Configuration=Release /p:PlatformToolset=v145 WinObjEx64.sln
 
       - name: Build WinObjEx64 package
         run: |
@@ -34,7 +34,7 @@ jobs:
 
       - name: Build WinObjEx64 Plugins
         working-directory: ./Source
-        run: msbuild /m /p:Platform=x64 /p:PostBuildEventUseInBuild=false /p:Configuration=Release /p:PlatformToolset=v143 WinObjEx64_Plugins.sln
+        run: msbuild /m /p:Platform=x64 /p:PostBuildEventUseInBuild=false /p:Configuration=Release /p:PlatformToolset=v145 WinObjEx64_Plugins.sln
 
       - name: Gather all plugin DLLs
         run: |
diff --git a/appveyor.yml b/appveyor.yml
index 736e8d6..f87aff8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,14 +3,14 @@ branches:
   only:
   - master
 skip_tags: true
-image: Visual Studio 2022
+image: Visual Studio 2026
 configuration: Release
 platform: x64
 shallow_clone: true
 clone_folder: c:\projects\winobjex64
 
 build_script:
-- cmd: msbuild Source\WinObjEx64.sln /m /verbosity:normal /p:Configuration=Release /p:Platform=x64 /p:PlatformToolset=v143
+- cmd: msbuild Source\WinObjEx64.sln /m /verbosity:normal /p:Configuration=Release /p:Platform=x64 /p:PlatformToolset=v145
 
 artifacts:
 - path: Source\WinObjEx64\output\x64\Release\bin\WinObjEx64.exe