diff --git a/test/ProtobufDecoder.Application.Wpf.Test.Unit/ProtobufDecoder.Application.Wpf.Test.Unit.csproj b/test/ProtobufDecoder.Application.Wpf.Test.Unit/ProtobufDecoder.Application.Wpf.Test.Unit.csproj
index b77f345..b6a35f3 100644
--- a/test/ProtobufDecoder.Application.Wpf.Test.Unit/ProtobufDecoder.Application.Wpf.Test.Unit.csproj
+++ b/test/ProtobufDecoder.Application.Wpf.Test.Unit/ProtobufDecoder.Application.Wpf.Test.Unit.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
diff --git a/test/ProtobufDecoder.Test.Unit/ProtobufDecoder.Test.Unit.csproj b/test/ProtobufDecoder.Test.Unit/ProtobufDecoder.Test.Unit.csproj
index 261d008..61a9d45 100644
--- a/test/ProtobufDecoder.Test.Unit/ProtobufDecoder.Test.Unit.csproj
+++ b/test/ProtobufDecoder.Test.Unit/ProtobufDecoder.Test.Unit.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="Google.Protobuf.Tools" Version="3.24.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="VarintBitConverter" Version="1.0.0" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>