diff --git a/MarkupString.Tests/MarkupString.Tests.csproj b/MarkupString.Tests/MarkupString.Tests.csproj
index 64cb666..235e820 100644
--- a/MarkupString.Tests/MarkupString.Tests.csproj
+++ b/MarkupString.Tests/MarkupString.Tests.csproj
@@ -8,12 +8,12 @@
     <NoWarn>TUnit0038;TUnitAssertions0002</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="CsCheck" Version="4.8.0" />
-    <PackageReference Include="TUnit" Version="1.66.27" />
+    <PackageReference Include="CsCheck" Version="4.9.0" />
+    <PackageReference Include="TUnit" Version="1.67.0" />
     <!-- Verify.TUnit carries a floor on TUnit.Core. Bump the two together: if NuGet lifts
          TUnit.Core past the TUnit.Engine this project asks for, the split versions fault at
          startup with MissingFieldException rather than failing to restore. -->
-    <PackageReference Include="Verify.TUnit" Version="32.0.0" />
+    <PackageReference Include="Verify.TUnit" Version="33.0.2" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\MarkupString\MarkupString.csproj" />