diff --git a/src/Silverlight/Silverlight.csproj b/src/Silverlight/Silverlight.csproj
index 058727a5..7fff1b1b 100644
--- a/src/Silverlight/Silverlight.csproj
+++ b/src/Silverlight/Silverlight.csproj
@@ -14,6 +14,8 @@
     <SilverlightApplication>false</SilverlightApplication>
     <ValidateXaml>true</ValidateXaml>
     <ThrowErrorsInValidation>true</ThrowErrorsInValidation>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\MathNet.Numerics.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -332,6 +334,11 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="..\MathNet.Numerics.snk">
+      <Link>MathNet.Numerics.snk</Link>
+    </None>
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Silverlight\v3.0\Microsoft.Silverlight.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/src/UnitTests/UnitTests.csproj b/src/UnitTests/UnitTests.csproj
index ab27304f..73a244f2 100644
--- a/src/UnitTests/UnitTests.csproj
+++ b/src/UnitTests/UnitTests.csproj
@@ -129,12 +129,6 @@
     <Compile Include="ThreadingTests\ParallelForTests.cs" />
     <Compile Include="TrigonometryTest.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\Numerics\Numerics.csproj">
-      <Project>{B7CAE5F4-A23F-4438-B5BE-41226618B695}</Project>
-      <Name>Numerics</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <None Include="..\..\data\NIST\AtmWtAgt.dat">
       <Link>data\NIST\AtmWtAgt.dat</Link>
@@ -368,6 +362,12 @@
       <Link>MathNet.Numerics.snk</Link>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Numerics\Numerics.csproj">
+      <Project>{B7CAE5F4-A23F-4438-B5BE-41226618B695}</Project>
+      <Name>Numerics</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.