diff --git a/tests/OpcSecAudit.Core.Tests/OpcSecAudit.Core.Tests.csproj b/tests/OpcSecAudit.Core.Tests/OpcSecAudit.Core.Tests.csproj
index 41bb7f4..3522f8f 100644
--- a/tests/OpcSecAudit.Core.Tests/OpcSecAudit.Core.Tests.csproj
+++ b/tests/OpcSecAudit.Core.Tests/OpcSecAudit.Core.Tests.csproj
@@ -5,7 +5,7 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
diff --git a/tests/OpcSecAudit.Reporting.Tests/OpcSecAudit.Reporting.Tests.csproj b/tests/OpcSecAudit.Reporting.Tests/OpcSecAudit.Reporting.Tests.csproj
index 050fd9a..88045ac 100644
--- a/tests/OpcSecAudit.Reporting.Tests/OpcSecAudit.Reporting.Tests.csproj
+++ b/tests/OpcSecAudit.Reporting.Tests/OpcSecAudit.Reporting.Tests.csproj
@@ -5,7 +5,7 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
diff --git a/tests/OpcSecAudit.Scanner.Tests/OpcSecAudit.Scanner.Tests.csproj b/tests/OpcSecAudit.Scanner.Tests/OpcSecAudit.Scanner.Tests.csproj
index 67ce6f8..bc4407e 100644
--- a/tests/OpcSecAudit.Scanner.Tests/OpcSecAudit.Scanner.Tests.csproj
+++ b/tests/OpcSecAudit.Scanner.Tests/OpcSecAudit.Scanner.Tests.csproj
@@ -5,7 +5,7 @@
     <NoWarn>$(NoWarn);CS1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>