diff --git a/Directory.Build.props b/Directory.Build.props
index 7131001..46f4bc9 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
-    <PackageReference Include="Nerdbank.GitVersioning" Version="3.2.31" PrivateAssets="All" />
+    <PackageReference Include="Nerdbank.GitVersioning" Version="3.3.37" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>
diff --git a/Metrics.Tests/Metrics.Tests.csproj b/Metrics.Tests/Metrics.Tests.csproj
index 84278af..dc83642 100644
--- a/Metrics.Tests/Metrics.Tests.csproj
+++ b/Metrics.Tests/Metrics.Tests.csproj
@@ -2,14 +2,14 @@
 
   <PropertyGroup>
     <IsPackable>false</IsPackable>
-    <TargetFrameworks>net48;netcoreapp2.2;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net48;net5.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="5.10.3" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.16.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="NUnit" Version="3.13.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Metrics/Metrics.csproj b/Metrics/Metrics.csproj
index 5b1a938..ab5656b 100644
--- a/Metrics/Metrics.csproj
+++ b/Metrics/Metrics.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Diagnostics.PerformanceCounter" Version="4.7.0" />
+    <PackageReference Include="System.Diagnostics.PerformanceCounter" Version="5.0.1" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/appveyor.yml b/appveyor.yml
index 524488c..65a44f1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -43,7 +43,7 @@ deploy:
   - provider: NuGet
     server: https://nuget.org
     api_key:
-      secure: CQ4MGAZ56ySfApnQ2TeZhSYDs+yLTggiu+5EWVsJBF9xn/pKcOO9IelQM6qA0mbf
+      secure: y2RPf+gBBqffQVm8pg9qZcg99m7K8hsSa4z7VHvIE6t+kuO7r/oIqTVcryZzL93D
     skip_symbols: true
     on:
       SHOULD_PUBLISH_NUGET_PACKAGE: true
diff --git a/global.json b/global.json
index 9ee6c25..8c50959 100644
--- a/global.json
+++ b/global.json
@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "3.1.300"
+    "version": "5.0.103"
   }
 }
\ No newline at end of file