diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..e0099b7
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,22 @@
+name: Build packages
+
+on:
+  push: 
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  windows:
+    runs-on: windows-2022
+    steps:
+      - uses: actions/checkout@v4
+      - name: Add msbuild to PATH
+        uses: microsoft/setup-msbuild@v2
+      - name: Build getopt
+        shell: cmd
+        run: |
+          msbuild getopt.sln /p:Configuration=Debug /p:Platform=Win32
+          msbuild getopt.sln /p:Configuration=Debug /p:Platform=x64
+          msbuild getopt.sln /p:Configuration=Release /p:Platform=Win32
+          msbuild getopt.sln /p:Configuration=Release /p:Platform=x64
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 868a0b0..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,5 +0,0 @@
-build_script:
-  - msbuild getopt.sln /p:Configuration=Debug /p:Platform=Win32 /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
-  - msbuild getopt.sln /p:Configuration=Debug /p:Platform=x64 /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
-  - msbuild getopt.sln /p:Configuration=Release /p:Platform=Win32 /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
-  - msbuild getopt.sln /p:Configuration=Release /p:Platform=x64 /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
diff --git a/getopt.vcxproj b/getopt.vcxproj
index f2cf127..d47276c 100644
--- a/getopt.vcxproj
+++ b/getopt.vcxproj
@@ -27,24 +27,24 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">