diff --git a/tests/Proteos.Encryption.Abstractions.Tests/Proteos.Encryption.Abstractions.Tests.csproj b/tests/Proteos.Encryption.Abstractions.Tests/Proteos.Encryption.Abstractions.Tests.csproj
index ec70d6a..0a17efc 100644
--- a/tests/Proteos.Encryption.Abstractions.Tests/Proteos.Encryption.Abstractions.Tests.csproj
+++ b/tests/Proteos.Encryption.Abstractions.Tests/Proteos.Encryption.Abstractions.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>
diff --git a/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj b/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj
index ca9c28b..d23e7e7 100644
--- a/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj
+++ b/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.5.0" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
diff --git a/tests/Proteos.Encryption.AwsKms.Tests/Proteos.Encryption.AwsKms.Tests.csproj b/tests/Proteos.Encryption.AwsKms.Tests/Proteos.Encryption.AwsKms.Tests.csproj
index 2c7d0ab..c21466f 100644
--- a/tests/Proteos.Encryption.AwsKms.Tests/Proteos.Encryption.AwsKms.Tests.csproj
+++ b/tests/Proteos.Encryption.AwsKms.Tests/Proteos.Encryption.AwsKms.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>
diff --git a/tests/Proteos.Encryption.AzureKeyVault.Tests/Proteos.Encryption.AzureKeyVault.Tests.csproj b/tests/Proteos.Encryption.AzureKeyVault.Tests/Proteos.Encryption.AzureKeyVault.Tests.csproj
index 784f906..27345bd 100644
--- a/tests/Proteos.Encryption.AzureKeyVault.Tests/Proteos.Encryption.AzureKeyVault.Tests.csproj
+++ b/tests/Proteos.Encryption.AzureKeyVault.Tests/Proteos.Encryption.AzureKeyVault.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>
diff --git a/tests/Proteos.Encryption.Core.Tests/Proteos.Encryption.Core.Tests.csproj b/tests/Proteos.Encryption.Core.Tests/Proteos.Encryption.Core.Tests.csproj
index e710c3c..6ff5b7e 100644
--- a/tests/Proteos.Encryption.Core.Tests/Proteos.Encryption.Core.Tests.csproj
+++ b/tests/Proteos.Encryption.Core.Tests/Proteos.Encryption.Core.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>
diff --git a/tests/Proteos.Encryption.EntityFrameworkCore.Tests/Proteos.Encryption.EntityFrameworkCore.Tests.csproj b/tests/Proteos.Encryption.EntityFrameworkCore.Tests/Proteos.Encryption.EntityFrameworkCore.Tests.csproj
index c019e44..d3953d3 100644
--- a/tests/Proteos.Encryption.EntityFrameworkCore.Tests/Proteos.Encryption.EntityFrameworkCore.Tests.csproj
+++ b/tests/Proteos.Encryption.EntityFrameworkCore.Tests/Proteos.Encryption.EntityFrameworkCore.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.23" />
diff --git a/tests/Proteos.Encryption.GoogleCloudKms.Tests/Proteos.Encryption.GoogleCloudKms.Tests.csproj b/tests/Proteos.Encryption.GoogleCloudKms.Tests/Proteos.Encryption.GoogleCloudKms.Tests.csproj
index 2a2abe9..dad53af 100644
--- a/tests/Proteos.Encryption.GoogleCloudKms.Tests/Proteos.Encryption.GoogleCloudKms.Tests.csproj
+++ b/tests/Proteos.Encryption.GoogleCloudKms.Tests/Proteos.Encryption.GoogleCloudKms.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>