diff --git a/tests/PtpLabClock.Protocol.Tests/PtpLabClock.Protocol.Tests.csproj b/tests/PtpLabClock.Protocol.Tests/PtpLabClock.Protocol.Tests.csproj
index 2505172..bbf5125 100644
--- a/tests/PtpLabClock.Protocol.Tests/PtpLabClock.Protocol.Tests.csproj
+++ b/tests/PtpLabClock.Protocol.Tests/PtpLabClock.Protocol.Tests.csproj
@@ -7,9 +7,9 @@
     <IsPackable>false</IsPackable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>