diff --git a/src/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests.csproj b/src/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests.csproj
index 96bfff1b..4b882c0b 100644
--- a/src/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests.csproj
+++ b/src/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests/Objectivity.AutoFixture.XUnit2.AutoFakeItEasy.Tests.csproj
@@ -62,7 +62,7 @@
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+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
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diff --git a/src/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests.csproj b/src/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests.csproj
index f0dc7d08..50f18a39 100644
--- a/src/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests.csproj
+++ b/src/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests/Objectivity.AutoFixture.XUnit2.AutoMoq.Tests.csproj
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diff --git a/src/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests.csproj b/src/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests.csproj
index 9b045110..16ab5ea3 100644
--- a/src/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests.csproj
+++ b/src/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests/Objectivity.AutoFixture.XUnit2.AutoNSubstitute.Tests.csproj
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diff --git a/src/Objectivity.AutoFixture.XUnit2.Core.Tests/Objectivity.AutoFixture.XUnit2.Core.Tests.csproj b/src/Objectivity.AutoFixture.XUnit2.Core.Tests/Objectivity.AutoFixture.XUnit2.Core.Tests.csproj
index d3ae3c71..be95d387 100644
--- a/src/Objectivity.AutoFixture.XUnit2.Core.Tests/Objectivity.AutoFixture.XUnit2.Core.Tests.csproj
+++ b/src/Objectivity.AutoFixture.XUnit2.Core.Tests/Objectivity.AutoFixture.XUnit2.Core.Tests.csproj
@@ -61,7 +61,7 @@
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