diff --git a/build/assets/qdk-nuget-icon.png b/build/assets/qdk-nuget-icon.png
new file mode 100644
index 00000000000..ca63d20e32e
Binary files /dev/null and b/build/assets/qdk-nuget-icon.png differ
diff --git a/build/steps-init.yml b/build/steps-init.yml
index befde1b5847..6c5d681bae7 100644
--- a/build/steps-init.yml
+++ b/build/steps-init.yml
@@ -4,15 +4,15 @@ steps:
 # Pre-reqs
 ##
 - task: NuGetToolInstaller@0
-  displayName: 'Use NuGet 5.2.0'
+  displayName: 'Use NuGet 5.6.0'
   inputs:
-    versionSpec: '5.2.0'
+    versionSpec: '5.6.0'
  
 - task: UseDotNet@2
-  displayName: 'Use .NET Core SDK 3.1.100'
+  displayName: 'Use .NET Core SDK 3.1.300'
   inputs:
     packageType: sdk
-    version: '3.1.100'
+    version: '3.1.300'
 
 
 ##
diff --git a/src/Azure/Azure.Quantum.Client/Microsoft.Azure.Quantum.Client.csproj b/src/Azure/Azure.Quantum.Client/Microsoft.Azure.Quantum.Client.csproj
index d4b6c807b9e..83a9e34ab8a 100644
--- a/src/Azure/Azure.Quantum.Client/Microsoft.Azure.Quantum.Client.csproj
+++ b/src/Azure/Azure.Quantum.Client/Microsoft.Azure.Quantum.Client.csproj
@@ -14,7 +14,7 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/microsoft/qsharp-runtime</PackageProjectUrl>
     <PackageTags>Azure Quantum Q# Qsharp</PackageTags>
-    <PackageIconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</PackageIconUrl>
+    <PackageIcon>qdk-nuget-icon.png</PackageIcon>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
   </PropertyGroup>  
 
@@ -46,4 +46,8 @@
     <ProjectReference Include="..\..\Simulation\Core\Microsoft.Quantum.Runtime.Core.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Include="..\..\..\build\assets\qdk-nuget-icon.png" Pack="true" Visible="false" PackagePath="" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/Quantum.Development.Kit/Microsoft.Quantum.Development.Kit.nuspec b/src/Quantum.Development.Kit/Microsoft.Quantum.Development.Kit.nuspec
index cf33e999c77..42cfd8e8cca 100644
--- a/src/Quantum.Development.Kit/Microsoft.Quantum.Development.Kit.nuspec
+++ b/src/Quantum.Development.Kit/Microsoft.Quantum.Development.Kit.nuspec
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<package >
+<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>Microsoft.Quantum.Development.Kit</id>
     <version>$version$</version>
@@ -9,7 +9,7 @@
 
     <license type="expression">MIT</license>
     <projectUrl>https://docs.microsoft.com/en-us/quantum</projectUrl>
-    <iconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</iconUrl>
+    <icon>images\qdk-nuget-icon.png</icon>
 
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Provides tools for developing quantum algorithms in the Q# programming language.</description>
@@ -30,6 +30,7 @@
     <file src="Props\*.xaml" target="build" />
     <file src="..\..\NOTICE.txt" target="\ThirdPartyNotice.txt" />
     <file src="..\Simulation\CsharpGeneration.App\bin\$Configuration$\netcoreapp3.1\publish\**" target="tools\qsc" exclude="**\*.pdb" />
+    <file src="..\..\build\assets\qdk-nuget-icon.png" target="images" />
   </files>
 
 </package>
diff --git a/src/Simulation/Core/Microsoft.Quantum.Runtime.Core.csproj b/src/Simulation/Core/Microsoft.Quantum.Runtime.Core.csproj
index 4c36d5e4693..550e18196d4 100644
--- a/src/Simulation/Core/Microsoft.Quantum.Runtime.Core.csproj
+++ b/src/Simulation/Core/Microsoft.Quantum.Runtime.Core.csproj
@@ -13,7 +13,7 @@
     <PackageReleaseNotes>See: https://docs.microsoft.com/en-us/quantum/relnotes/</PackageReleaseNotes>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/microsoft/qsharp-runtime</PackageProjectUrl>
-    <PackageIconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</PackageIconUrl>
+    <PackageIcon>qdk-nuget-icon.png</PackageIcon>
     <PackageTags>Quantum Q# Qsharp</PackageTags>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
   </PropertyGroup>  
@@ -25,4 +25,8 @@
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
   </ItemGroup>
+
+  <ItemGroup>
+    <None Include="..\..\..\build\assets\qdk-nuget-icon.png" Pack="true" Visible="false" PackagePath="" />
+  </ItemGroup>
 </Project>
diff --git a/src/Simulation/CsharpGeneration/Microsoft.Quantum.CsharpGeneration.nuspec.template b/src/Simulation/CsharpGeneration/Microsoft.Quantum.CsharpGeneration.nuspec.template
index f964fcb499e..bf1d252d914 100644
--- a/src/Simulation/CsharpGeneration/Microsoft.Quantum.CsharpGeneration.nuspec.template
+++ b/src/Simulation/CsharpGeneration/Microsoft.Quantum.CsharpGeneration.nuspec.template
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<package>
+<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>Microsoft.Quantum.CsharpGeneration</id>
     <version>$version$</version>
@@ -9,7 +9,7 @@
 
     <license type="expression">MIT</license>
     <projectUrl>https://docs.microsoft.com/en-us/quantum</projectUrl>
-    <iconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</iconUrl>
+    <icon>images\qdk-nuget-icon.png</icon>
 
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>C# code generation for executing Q# programs on a quantum simulator.</description>
@@ -24,5 +24,6 @@
     <file src="RewriteStep.props" target="build\Microsoft.Quantum.CsharpGeneration.props" />
     <file src="bin\$Configuration$\**\Microsoft.Quantum.*.pdb" target="lib" />
     <file src="bin\$Configuration$\**\Microsoft.Quantum.*.xml" target="lib" />
+    <file src="..\..\..\build\assets\qdk-nuget-icon.png" target="images" />
   </files>
 </package>
diff --git a/src/Simulation/EntryPointDriver/Microsoft.Quantum.EntryPointDriver.csproj b/src/Simulation/EntryPointDriver/Microsoft.Quantum.EntryPointDriver.csproj
index 2fa2201551c..a506e16a6f9 100644
--- a/src/Simulation/EntryPointDriver/Microsoft.Quantum.EntryPointDriver.csproj
+++ b/src/Simulation/EntryPointDriver/Microsoft.Quantum.EntryPointDriver.csproj
@@ -16,7 +16,7 @@
     <PackageReleaseNotes>See: https://docs.microsoft.com/en-us/quantum/relnotes/</PackageReleaseNotes>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/microsoft/qsharp-runtime</PackageProjectUrl>
-    <PackageIconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</PackageIconUrl>
+    <PackageIcon>qdk-nuget-icon.png</PackageIcon>
     <PackageTags>Quantum Q# Qsharp</PackageTags>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
   </PropertyGroup>
@@ -34,4 +34,8 @@
   <ItemGroup>
     <Compile Include="..\Common\DelaySign.cs" Link="Properties\DelaySign.cs" />
   </ItemGroup>
+
+  <ItemGroup>
+    <None Include="..\..\..\build\assets\qdk-nuget-icon.png" Pack="true" Visible="false" PackagePath="" />
+  </ItemGroup>
 </Project>
diff --git a/src/Simulation/QsharpCore/Microsoft.Quantum.QSharp.Core.csproj b/src/Simulation/QsharpCore/Microsoft.Quantum.QSharp.Core.csproj
index dd9f49c49a8..93ea0e58438 100644
--- a/src/Simulation/QsharpCore/Microsoft.Quantum.QSharp.Core.csproj
+++ b/src/Simulation/QsharpCore/Microsoft.Quantum.QSharp.Core.csproj
@@ -16,7 +16,7 @@
     <PackageReleaseNotes>See: https://docs.microsoft.com/en-us/quantum/relnotes/</PackageReleaseNotes>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/microsoft/qsharp-runtime</PackageProjectUrl>
-    <PackageIconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</PackageIconUrl>
+    <PackageIcon>qdk-nuget-icon.png</PackageIcon>
     <PackageTags>Quantum Q# Qsharp</PackageTags>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
   </PropertyGroup>  
@@ -30,6 +30,10 @@
     <ProjectReference Include="..\CsharpGeneration\Microsoft.Quantum.CsharpGeneration.fsproj" PrivateAssets="All" IsQscReference="true" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Include="..\..\..\build\assets\qdk-nuget-icon.png" Pack="true" Visible="false" PackagePath="" />
+  </ItemGroup>
+
   <Target Name="BeforeCsharpCompile">
     <ItemGroup>
       <Compile Include="$(GeneratedFilesOutputPath)**/*.g.cs" Exclude="@(Compile)" AutoGen="true" />
diff --git a/src/Simulation/Simulators/Microsoft.Quantum.Simulators.nuspec.template b/src/Simulation/Simulators/Microsoft.Quantum.Simulators.nuspec.template
index 17c71ffae28..a6b1ee3819e 100644
--- a/src/Simulation/Simulators/Microsoft.Quantum.Simulators.nuspec.template
+++ b/src/Simulation/Simulators/Microsoft.Quantum.Simulators.nuspec.template
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<package >
+<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>Microsoft.Quantum.Simulators</id>
     <version>$version$</version>
@@ -8,7 +8,7 @@
     <owners>QuantumEngineering, Microsoft</owners>
     <license type="expression">MIT</license>
     <projectUrl>https://docs.microsoft.com/en-us/quantum</projectUrl>
-    <iconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</iconUrl>
+    <icon>images\qdk-nuget-icon.png</icon>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Classical simulators of quantum computers for the Q# programming language.</description>
     <releaseNotes>See: https://docs.microsoft.com/en-us/quantum/relnotes/</releaseNotes>
@@ -26,5 +26,6 @@
     <file src="..\Simulators\bin\$Configuration$\**\Microsoft.Quantum.Simulation.*.dll" target="lib" />
     <file src="..\Simulators\bin\$Configuration$\**\Microsoft.Quantum.Simulation.*.xml" target="lib" />
     <file src="..\Simulators\bin\$Configuration$\**\Microsoft.Quantum.Simulation.*.pdb" target="lib" />
+    <file src="..\..\..\build\assets\qdk-nuget-icon.png" target="images" />
   </files>
 </package>
diff --git a/src/Xunit/Microsoft.Quantum.Xunit.nuspec b/src/Xunit/Microsoft.Quantum.Xunit.nuspec
index c62307ef375..19e612afdfc 100644
--- a/src/Xunit/Microsoft.Quantum.Xunit.nuspec
+++ b/src/Xunit/Microsoft.Quantum.Xunit.nuspec
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<package >
+<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>$id$</id>
     <version>$version$</version>
@@ -9,7 +9,7 @@
 
     <license type="expression">MIT</license>
     <projectUrl>https://docs.microsoft.com/en-us/quantum</projectUrl>
-    <iconUrl>https://secure.gravatar.com/avatar/bd1f02955b2853ba0a3b1cdc2434e8ec.png</iconUrl>
+    <icon>images\qdk-nuget-icon.png</icon>
 
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Library for testing Q# programs and algorithms using the xUnit framework.</description>
@@ -25,4 +25,8 @@
       <dependency id="Microsoft.Quantum.Runtime.Core" version="0.10.2001.512-beta" />
     </dependencies>
   </metadata>
+
+  <files>
+    <file src="..\..\build\assets\qdk-nuget-icon.png" target="images" />
+  </files>
 </package>
\ No newline at end of file