diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index b411a2f8..79ca4668 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -8,7 +8,7 @@
     <PackageReference Include="Verify.ICSharpCode.Decompiler" Version="3.4.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="Verify.Xunit" Version="23.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <ProjectReference Include="..\AssemblyToProcess\AssemblyToProcess.csproj" />
diff --git a/TestsExplicit/TestsExplicit.csproj b/TestsExplicit/TestsExplicit.csproj
index cc1d334b..082ed073 100644
--- a/TestsExplicit/TestsExplicit.csproj
+++ b/TestsExplicit/TestsExplicit.csproj
@@ -16,7 +16,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <ProjectReference Include="..\AssemblyToProcessExplicit\AssemblyToProcessExplicit.csproj" />
     <ProjectReference Include="..\NullGuard.Fody\NullGuard.Fody.csproj" />
diff --git a/TestsNullableRefTypes/TestsNullableRefTypes.csproj b/TestsNullableRefTypes/TestsNullableRefTypes.csproj
index 60ab3d96..99d476b5 100644
--- a/TestsNullableRefTypes/TestsNullableRefTypes.csproj
+++ b/TestsNullableRefTypes/TestsNullableRefTypes.csproj
@@ -12,7 +12,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Verify.Xunit" Version="23.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <ProjectReference Include="..\AssemblyToProcessNullableRefTypes\AssemblyToProcessNullableRefTypes.csproj" />
     <ProjectReference Include="..\NetFrameworkSmokeTest\NetFrameworkSmokeTest.csproj" />
     <ProjectReference Include="..\NullGuard.Fody\NullGuard.Fody.csproj" />