diff --git a/.github/workflows/dotnet.yaml b/.github/workflows/dotnet.yaml
new file mode 100644
index 0000000..838125e
--- /dev/null
+++ b/.github/workflows/dotnet.yaml
@@ -0,0 +1,24 @@
+name: dotnet publish workflow
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive   
+    - uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '6.0'
+    - run: 'dotnet restore'
+    - run: 'dotnet test -c Release'
+    - run: 'dotnet publish -o publish -c Release src/ommstats/ommstats.csproj'
+    - name: Upload result
+      uses: actions/upload-artifact@v4
+      with:
+        name: publish
+        path: publish
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 780d0c2..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-version: 0.0.{build}
-pull_requests:
-  do_not_increment_build_number: true
-branches:
-  only:
-  - master
-skip_tags: true
-image: Ubuntu1804
-configuration: Release
-platform: Any CPU
-dotnet_csproj:
-  patch: true
-  file: '**\ommstats.csproj'
-  version: '{version}'
-  version_prefix: '{version}'
-  package_version: '{version}'
-  assembly_version: '{version}'
-  file_version: '{version}'
-  informational_version: '{version}'
-install:
-- sh: >-
-    cd $APPVEYOR_BUILD_FOLDER
-    git submodule update --init --recursive
-build_script:
-- sh: dotnet publish -c $CONFIGURATION
-artifacts:
-- path: src\ommstats\bin\Release\netcoreapp3.0\publish
-  name: gh-release
-deploy:
-- provider: GitHub
-  tag: v$(appveyor_build_version)
-  release: v$(appveyor_build_version)
-  auth_token:
-    secure: RcHNjuAh+92p+kAT8mfzoPN9sGS7U+hf4HGddfDGDoJVlgsSn7qcroHTrsJp1VMk
-  artifact: gh-release
-  draft: true
-  force_update: true
-  on:
-    branch: master
\ No newline at end of file
diff --git a/src/ommstats/ommstats.csproj b/src/ommstats/ommstats.csproj
index ba93b1f..6a97218 100644
--- a/src/ommstats/ommstats.csproj
+++ b/src/ommstats/ommstats.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>eventphone.ommstats</RootNamespace>
   </PropertyGroup>
 
@@ -25,11 +25,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="3.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.0.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="3.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="3.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="6.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/ommstats.test/ommstats.test.csproj b/test/ommstats.test/ommstats.test.csproj
index 008e5ba..35eaf07 100644
--- a/test/ommstats.test/ommstats.test.csproj
+++ b/test/ommstats.test/ommstats.test.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
 
@@ -9,9 +9,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>