diff --git a/MatFileHandler.Tests/MatFileHandler.Tests.csproj b/MatFileHandler.Tests/MatFileHandler.Tests.csproj
index c6bfd00..eed4d91 100755
--- a/MatFileHandler.Tests/MatFileHandler.Tests.csproj
+++ b/MatFileHandler.Tests/MatFileHandler.Tests.csproj
@@ -1,22 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.0;net472</TargetFrameworks>
+    <TargetFrameworks>net5.0;net472</TargetFrameworks>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+  <PropertyGroup>
     <CodeAnalysisRuleSet>..\MatFileHandler.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-    <CodeAnalysisRuleSet>..\MatFileHandler.ruleset</CodeAnalysisRuleSet>
-    <DocumentationFile>bin\Debug\netcoreapp2.0\MatFileHandler.Tests.xml</DocumentationFile>
+    <DocumentationFile>bin\Debug\net5.0\MatFileHandler.Tests.xml</DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
     <AdditionalFiles Include="..\stylecop.json" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0" />
-    <PackageReference Include="NUnit" Version="3.9.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
+    <PackageReference Include="NUnit" Version="3.13.2" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\MatFileHandler\MatFileHandler.csproj" />
@@ -25,7 +22,7 @@
     <Content Include="test-data\**\*.mat" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="StyleCop.Analyzers" Version="1.1.0-beta004">
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>
   </ItemGroup>
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index c43e0ec..2ea8385 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -11,9 +11,9 @@ variables:
 
 steps:
 - task: UseDotNet@2
-  displayName: 'Use .NET Core SDK 3.x'
+  displayName: 'Use .NET Core SDK 5.x'
   inputs:
-    version: 3.x
+    version: 5.x
 
 - script: dotnet build --configuration $(buildConfiguration)
   displayName: 'dotnet build $(buildConfiguration)'