diff --git a/demo/FakeItEasy/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj b/demo/FakeItEasy/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
index ed8c970a..2c82c615 100644
--- a/demo/FakeItEasy/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
+++ b/demo/FakeItEasy/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
@@ -15,7 +15,7 @@
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 		</PackageReference>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-		<PackageReference Include="NUnit" Version="4.2.0" />
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 		<PackageReference Include="NUnit.Analyzers" Version="4.3.0" />
 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
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diff --git a/demo/Moq/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj b/demo/Moq/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
index c7309b3e..0340fa04 100644
--- a/demo/Moq/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
+++ b/demo/Moq/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
@@ -11,7 +11,7 @@
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 		</PackageReference>
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-		<PackageReference Include="NUnit" Version="4.2.0" />
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 		<PackageReference Include="NUnit.Analyzers" Version="4.3.0" />
 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
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diff --git a/demo/NSubstitute/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj b/demo/NSubstitute/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
index f1f41cc6..ba456c07 100644
--- a/demo/NSubstitute/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
+++ b/demo/NSubstitute/Tethos.NUnit.Demo/Tethos.NUnit.Demo.csproj
@@ -15,7 +15,7 @@
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 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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-		<PackageReference Include="NUnit" Version="4.2.0" />
+		<PackageReference Include="NUnit" Version="4.2.1" />
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 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
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diff --git a/test/EndToEnd/FakeItEasy/Tethos.FakeItEasy.NUnit.EndToEnd/Tethos.FakeItEasy.NUnit.EndToEnd.csproj b/test/EndToEnd/FakeItEasy/Tethos.FakeItEasy.NUnit.EndToEnd/Tethos.FakeItEasy.NUnit.EndToEnd.csproj
index c9707fc6..481d769d 100644
--- a/test/EndToEnd/FakeItEasy/Tethos.FakeItEasy.NUnit.EndToEnd/Tethos.FakeItEasy.NUnit.EndToEnd.csproj
+++ b/test/EndToEnd/FakeItEasy/Tethos.FakeItEasy.NUnit.EndToEnd/Tethos.FakeItEasy.NUnit.EndToEnd.csproj
@@ -18,7 +18,7 @@
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 		<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" />
 		<PackageReference Include="coverlet.collector" Version="6.0.2" />
diff --git a/test/EndToEnd/Moq/Tethos.Moq.NUnit.EndToEnd/Tethos.Moq.NUnit.EndToEnd.csproj b/test/EndToEnd/Moq/Tethos.Moq.NUnit.EndToEnd/Tethos.Moq.NUnit.EndToEnd.csproj
index 3b97202c..cccbf2f9 100644
--- a/test/EndToEnd/Moq/Tethos.Moq.NUnit.EndToEnd/Tethos.Moq.NUnit.EndToEnd.csproj
+++ b/test/EndToEnd/Moq/Tethos.Moq.NUnit.EndToEnd/Tethos.Moq.NUnit.EndToEnd.csproj
@@ -14,7 +14,7 @@
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 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
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 		<PackageReference Include="NUnit.Analyzers" Version="4.3.0" />
 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
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diff --git a/test/EndToEnd/NSubstitute/Tethos.NSubstitute.NUnit.EndToEnd/Tethos.NSubstitute.NUnit.EndToEnd.csproj b/test/EndToEnd/NSubstitute/Tethos.NSubstitute.NUnit.EndToEnd/Tethos.NSubstitute.NUnit.EndToEnd.csproj
index a12b11f9..87139467 100644
--- a/test/EndToEnd/NSubstitute/Tethos.NSubstitute.NUnit.EndToEnd/Tethos.NSubstitute.NUnit.EndToEnd.csproj
+++ b/test/EndToEnd/NSubstitute/Tethos.NSubstitute.NUnit.EndToEnd/Tethos.NSubstitute.NUnit.EndToEnd.csproj
@@ -18,7 +18,7 @@
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 		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
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