diff --git a/src/NServiceBus.TransactionalSession.AcceptanceTests/NServiceBus.TransactionalSession.AcceptanceTests.csproj b/src/NServiceBus.TransactionalSession.AcceptanceTests/NServiceBus.TransactionalSession.AcceptanceTests.csproj
index 94ecac0..ddb7e9f 100644
--- a/src/NServiceBus.TransactionalSession.AcceptanceTests/NServiceBus.TransactionalSession.AcceptanceTests.csproj
+++ b/src/NServiceBus.TransactionalSession.AcceptanceTests/NServiceBus.TransactionalSession.AcceptanceTests.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
     <PackageReference Include="NServiceBus.AcceptanceTesting" Version="9.2.2" />
-    <PackageReference Include="NUnit" Version="4.2.0" />
+    <PackageReference Include="NUnit" Version="4.2.1" />
     <PackageReference Include="NUnit.Analyzers" Version="4.3.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
   </ItemGroup>
diff --git a/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj b/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj
index ce6c859..24bc699 100644
--- a/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj
+++ b/src/NServiceBus.TransactionalSession.Tests/NServiceBus.TransactionalSession.Tests.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-    <PackageReference Include="NUnit" Version="4.2.0" />
+    <PackageReference Include="NUnit" Version="4.2.1" />
     <PackageReference Include="NUnit.Analyzers" Version="4.3.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
   </ItemGroup>