diff --git a/ApiDoctor.DocumentationGeneration.UnitTests/ApiDoctor.DocumentationGeneration.UnitTests.csproj b/ApiDoctor.DocumentationGeneration.UnitTests/ApiDoctor.DocumentationGeneration.UnitTests.csproj
index 18216cca..96f1201d 100644
--- a/ApiDoctor.DocumentationGeneration.UnitTests/ApiDoctor.DocumentationGeneration.UnitTests.csproj
+++ b/ApiDoctor.DocumentationGeneration.UnitTests/ApiDoctor.DocumentationGeneration.UnitTests.csproj
@@ -23,8 +23,8 @@
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+    <PackageReference Include="NUnit" Version="4.2.2" />
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diff --git a/ApiDoctor.Validation.UnitTests/ApiDoctor.Validation.UnitTests.csproj b/ApiDoctor.Validation.UnitTests/ApiDoctor.Validation.UnitTests.csproj
index aa29d843..4f823d61 100644
--- a/ApiDoctor.Validation.UnitTests/ApiDoctor.Validation.UnitTests.csproj
+++ b/ApiDoctor.Validation.UnitTests/ApiDoctor.Validation.UnitTests.csproj
@@ -40,8 +40,8 @@
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-    <PackageReference Include="NUnit" Version="4.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
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diff --git a/ApiDoctor.Validation/ApiDoctor.Validation.csproj b/ApiDoctor.Validation/ApiDoctor.Validation.csproj
index 38eca20c..6d93c5d4 100644
--- a/ApiDoctor.Validation/ApiDoctor.Validation.csproj
+++ b/ApiDoctor.Validation/ApiDoctor.Validation.csproj
@@ -29,7 +29,7 @@
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