diff --git a/samples/CaptureSampleTests/CaptureSampleTests.csproj b/samples/CaptureSampleTests/CaptureSampleTests.csproj
index ee13762..50c6288 100644
--- a/samples/CaptureSampleTests/CaptureSampleTests.csproj
+++ b/samples/CaptureSampleTests/CaptureSampleTests.csproj
@@ -6,9 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.10.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.10.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.3.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.3.3" />
     <PackageReference Include="Reqnroll.MsTest" Version="3.3.4" />
   </ItemGroup>
 
diff --git a/samples/FullStackSample/FullStackSample.csproj b/samples/FullStackSample/FullStackSample.csproj
index cccf7a6..3e0c506 100644
--- a/samples/FullStackSample/FullStackSample.csproj
+++ b/samples/FullStackSample/FullStackSample.csproj
@@ -13,9 +13,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.10.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.10.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.3.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.3.3" />
     <PackageReference Include="Reqnroll.MsTest" Version="3.3.4" />
 
     <!-- The two things this sample exists to show working together. -->
diff --git a/samples/SampleTests/SampleTests.csproj b/samples/SampleTests/SampleTests.csproj
index 7777589..390d74f 100644
--- a/samples/SampleTests/SampleTests.csproj
+++ b/samples/SampleTests/SampleTests.csproj
@@ -10,9 +10,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.10.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.10.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.3.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.3.3" />
     <!-- MSTest (not xUnit): xUnit has no runner-level attachment support.
          See docs/reqnroll-api-notes.md 3. -->
     <PackageReference Include="Reqnroll.MsTest" Version="3.3.4" />
diff --git a/spikes/M1.HttpAttribution/M1.HttpAttribution.csproj b/spikes/M1.HttpAttribution/M1.HttpAttribution.csproj
index 39288cd..83bf723 100644
--- a/spikes/M1.HttpAttribution/M1.HttpAttribution.csproj
+++ b/spikes/M1.HttpAttribution/M1.HttpAttribution.csproj
@@ -6,9 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.10.3" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.10.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.3.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.3.3" />
     <PackageReference Include="Reqnroll.MsTest" Version="3.3.4" />
   </ItemGroup>
 
diff --git a/tests/SpecReport.Conformance/SpecReport.Conformance.csproj b/tests/SpecReport.Conformance/SpecReport.Conformance.csproj
index 44229a0..1faf58e 100644
--- a/tests/SpecReport.Conformance/SpecReport.Conformance.csproj
+++ b/tests/SpecReport.Conformance/SpecReport.Conformance.csproj
@@ -7,9 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/SpecReport.Core.Tests/SpecReport.Core.Tests.csproj b/tests/SpecReport.Core.Tests/SpecReport.Core.Tests.csproj
index db296aa..39c584e 100644
--- a/tests/SpecReport.Core.Tests/SpecReport.Core.Tests.csproj
+++ b/tests/SpecReport.Core.Tests/SpecReport.Core.Tests.csproj
@@ -9,9 +9,9 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>