diff --git a/Perspex.Animation/Perspex.Animation.csproj b/Perspex.Animation/Perspex.Animation.csproj
index 5c8313cbbb..59456cdb6d 100644
--- a/Perspex.Animation/Perspex.Animation.csproj
+++ b/Perspex.Animation/Perspex.Animation.csproj
@@ -72,7 +72,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Animation/packages.config b/Perspex.Animation/packages.config
index 0f87b2e448..796a2a9d25 100644
--- a/Perspex.Animation/packages.config
+++ b/Perspex.Animation/packages.config
@@ -5,5 +5,5 @@
   <package id="Rx-Linq" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-Main" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Application/Perspex.Application.csproj b/Perspex.Application/Perspex.Application.csproj
index baae1c759e..0e61e891a4 100644
--- a/Perspex.Application/Perspex.Application.csproj
+++ b/Perspex.Application/Perspex.Application.csproj
@@ -93,7 +93,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Application/packages.config b/Perspex.Application/packages.config
index 2db20f6ca4..28b29fd574 100644
--- a/Perspex.Application/packages.config
+++ b/Perspex.Application/packages.config
@@ -6,5 +6,5 @@
   <package id="Rx-Main" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Base/Perspex.Base.csproj b/Perspex.Base/Perspex.Base.csproj
index d8a5a603eb..7213043332 100644
--- a/Perspex.Base/Perspex.Base.csproj
+++ b/Perspex.Base/Perspex.Base.csproj
@@ -102,7 +102,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Base/packages.config b/Perspex.Base/packages.config
index ade2f74e27..7760eb67df 100644
--- a/Perspex.Base/packages.config
+++ b/Perspex.Base/packages.config
@@ -7,5 +7,5 @@
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Serilog" version="1.5.5" targetFramework="portable45-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Controls/Perspex.Controls.csproj b/Perspex.Controls/Perspex.Controls.csproj
index f65691050e..5e67180ea6 100644
--- a/Perspex.Controls/Perspex.Controls.csproj
+++ b/Perspex.Controls/Perspex.Controls.csproj
@@ -206,7 +206,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Controls/packages.config b/Perspex.Controls/packages.config
index ade2f74e27..7760eb67df 100644
--- a/Perspex.Controls/packages.config
+++ b/Perspex.Controls/packages.config
@@ -7,5 +7,5 @@
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Serilog" version="1.5.5" targetFramework="portable45-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Diagnostics/Perspex.Diagnostics.csproj b/Perspex.Diagnostics/Perspex.Diagnostics.csproj
index fe09b18b4f..1235678ea9 100644
--- a/Perspex.Diagnostics/Perspex.Diagnostics.csproj
+++ b/Perspex.Diagnostics/Perspex.Diagnostics.csproj
@@ -115,7 +115,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Diagnostics/packages.config b/Perspex.Diagnostics/packages.config
index 472478285f..ecc1193807 100644
--- a/Perspex.Diagnostics/packages.config
+++ b/Perspex.Diagnostics/packages.config
@@ -8,5 +8,5 @@
   <package id="Rx-Main" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Input/Perspex.Input.csproj b/Perspex.Input/Perspex.Input.csproj
index ee7ea83dd7..bb20879f6b 100644
--- a/Perspex.Input/Perspex.Input.csproj
+++ b/Perspex.Input/Perspex.Input.csproj
@@ -126,7 +126,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Input/packages.config b/Perspex.Input/packages.config
index 2db20f6ca4..28b29fd574 100644
--- a/Perspex.Input/packages.config
+++ b/Perspex.Input/packages.config
@@ -6,5 +6,5 @@
   <package id="Rx-Main" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Interactive.UnitTests/Perspex.Interactive.UnitTests.csproj b/Perspex.Interactive.UnitTests/Perspex.Interactive.UnitTests.csproj
index 557d9fd8fb..f2cd117da3 100644
--- a/Perspex.Interactive.UnitTests/Perspex.Interactive.UnitTests.csproj
+++ b/Perspex.Interactive.UnitTests/Perspex.Interactive.UnitTests.csproj
@@ -92,7 +92,7 @@
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
diff --git a/Perspex.Interactive.UnitTests/packages.config b/Perspex.Interactive.UnitTests/packages.config
index 1f837b7601..6f90926fd2 100644
--- a/Perspex.Interactive.UnitTests/packages.config
+++ b/Perspex.Interactive.UnitTests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Splat" version="1.6.2" targetFramework="net45" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="net45" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="net45" developmentDependency="true" />
   <package id="xunit" version="2.0.0" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net45" />
   <package id="xunit.assert" version="2.0.0" targetFramework="net45" />
diff --git a/Perspex.Interactivity/Perspex.Interactivity.csproj b/Perspex.Interactivity/Perspex.Interactivity.csproj
index 9fec9622d5..e999f970fc 100644
--- a/Perspex.Interactivity/Perspex.Interactivity.csproj
+++ b/Perspex.Interactivity/Perspex.Interactivity.csproj
@@ -87,7 +87,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Interactivity/packages.config b/Perspex.Interactivity/packages.config
index 2db20f6ca4..28b29fd574 100644
--- a/Perspex.Interactivity/packages.config
+++ b/Perspex.Interactivity/packages.config
@@ -6,5 +6,5 @@
   <package id="Rx-Main" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Layout/Perspex.Layout.csproj b/Perspex.Layout/Perspex.Layout.csproj
index b1a92d6052..38e23ff467 100644
--- a/Perspex.Layout/Perspex.Layout.csproj
+++ b/Perspex.Layout/Perspex.Layout.csproj
@@ -90,7 +90,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Layout/packages.config b/Perspex.Layout/packages.config
index ade2f74e27..7760eb67df 100644
--- a/Perspex.Layout/packages.config
+++ b/Perspex.Layout/packages.config
@@ -7,5 +7,5 @@
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Serilog" version="1.5.5" targetFramework="portable45-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.SceneGraph/Perspex.SceneGraph.csproj b/Perspex.SceneGraph/Perspex.SceneGraph.csproj
index c5cc4aec7d..0827243ec5 100644
--- a/Perspex.SceneGraph/Perspex.SceneGraph.csproj
+++ b/Perspex.SceneGraph/Perspex.SceneGraph.csproj
@@ -134,7 +134,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.SceneGraph/packages.config b/Perspex.SceneGraph/packages.config
index ade2f74e27..7760eb67df 100644
--- a/Perspex.SceneGraph/packages.config
+++ b/Perspex.SceneGraph/packages.config
@@ -7,5 +7,5 @@
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Serilog" version="1.5.5" targetFramework="portable45-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Styling/Perspex.Styling.csproj b/Perspex.Styling/Perspex.Styling.csproj
index 998efd32ef..b8e55275bd 100644
--- a/Perspex.Styling/Perspex.Styling.csproj
+++ b/Perspex.Styling/Perspex.Styling.csproj
@@ -92,7 +92,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Styling/packages.config b/Perspex.Styling/packages.config
index 31c7bc73e7..a4c41fb397 100644
--- a/Perspex.Styling/packages.config
+++ b/Perspex.Styling/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Perspex.Themes.Default/Perspex.Themes.Default.csproj b/Perspex.Themes.Default/Perspex.Themes.Default.csproj
index 66c87df240..a784d3382d 100644
--- a/Perspex.Themes.Default/Perspex.Themes.Default.csproj
+++ b/Perspex.Themes.Default/Perspex.Themes.Default.csproj
@@ -123,7 +123,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Perspex.Themes.Default/packages.config b/Perspex.Themes.Default/packages.config
index 2db20f6ca4..28b29fd574 100644
--- a/Perspex.Themes.Default/packages.config
+++ b/Perspex.Themes.Default/packages.config
@@ -6,5 +6,5 @@
   <package id="Rx-Main" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="portable-net45+win8" />
   <package id="Splat" version="1.6.2" targetFramework="portable45-net45+win8" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="portable45-net45+win8" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="portable45-net45+win8" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/Perspex.Base.UnitTests/Perspex.Base.UnitTests.csproj b/Tests/Perspex.Base.UnitTests/Perspex.Base.UnitTests.csproj
index dbb7c11f73..c2dc560513 100644
--- a/Tests/Perspex.Base.UnitTests/Perspex.Base.UnitTests.csproj
+++ b/Tests/Perspex.Base.UnitTests/Perspex.Base.UnitTests.csproj
@@ -100,7 +100,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Choose>
     <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
diff --git a/Tests/Perspex.Base.UnitTests/packages.config b/Tests/Perspex.Base.UnitTests/packages.config
index 8a974ba4dc..d79764b6fc 100644
--- a/Tests/Perspex.Base.UnitTests/packages.config
+++ b/Tests/Perspex.Base.UnitTests/packages.config
@@ -4,7 +4,7 @@
   <package id="Rx-Interfaces" version="2.2.5" targetFramework="net45" />
   <package id="Rx-Linq" version="2.2.5" targetFramework="net45" />
   <package id="Splat" version="1.6.2" targetFramework="net45" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="net45" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="net45" developmentDependency="true" />
   <package id="xunit" version="2.0.0" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net45" />
   <package id="xunit.assert" version="2.0.0" targetFramework="net45" />
diff --git a/Tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj b/Tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
index d094f34ffc..a525c9c2d2 100644
--- a/Tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
+++ b/Tests/Perspex.Controls.UnitTests/Perspex.Controls.UnitTests.csproj
@@ -162,7 +162,7 @@
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.0.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.0.0-beta004\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Choose>
     <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
diff --git a/Tests/Perspex.Controls.UnitTests/packages.config b/Tests/Perspex.Controls.UnitTests/packages.config
index dfbd28ef10..82768abafc 100644
--- a/Tests/Perspex.Controls.UnitTests/packages.config
+++ b/Tests/Perspex.Controls.UnitTests/packages.config
@@ -9,7 +9,7 @@
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   <package id="Rx-PlatformServices" version="2.2.5" targetFramework="net45" />
   <package id="Splat" version="1.6.2" targetFramework="net45" />
-  <package id="StyleCop.Analyzers" version="1.0.0-beta001" targetFramework="net45" developmentDependency="true" />
+  <package id="StyleCop.Analyzers" version="1.0.0-beta004" targetFramework="net45" developmentDependency="true" />
   <package id="xunit" version="2.0.0" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net45" />
   <package id="xunit.assert" version="2.0.0" targetFramework="net45" />
diff --git a/Tests/Perspex.Direct2D1.UnitTests/Perspex.Direct2D1.UnitTests.csproj b/Tests/Perspex.Direct2D1.UnitTests/Perspex.Direct2D1.UnitTests.csproj
index 75c7b074e8..333bf140a8 100644
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index 1f837b7601..6f90926fd2 100644
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diff --git a/Tests/Perspex.Input.UnitTests/Perspex.Input.UnitTests.csproj b/Tests/Perspex.Input.UnitTests/Perspex.Input.UnitTests.csproj
index 8ce4cfd8cb..d65d4fd86b 100644
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diff --git a/Tests/Perspex.Input.UnitTests/packages.config b/Tests/Perspex.Input.UnitTests/packages.config
index 1f837b7601..6f90926fd2 100644
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diff --git a/Tests/Perspex.Layout.UnitTests/Perspex.Layout.UnitTests.csproj b/Tests/Perspex.Layout.UnitTests/Perspex.Layout.UnitTests.csproj
index 939dea9069..39c6df66cb 100644
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index cc8db5424e..2f4917ae06 100644
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diff --git a/Tests/Perspex.RenderTests/Perspex.Direct2D1.RenderTests.csproj b/Tests/Perspex.RenderTests/Perspex.Direct2D1.RenderTests.csproj
index 154a3f3d6f..a0003305a8 100644
--- a/Tests/Perspex.RenderTests/Perspex.Direct2D1.RenderTests.csproj
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index b2f87c746c..26a01f02f6 100644
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diff --git a/Tests/Perspex.SceneGraph.UnitTests/Perspex.SceneGraph.UnitTests.csproj b/Tests/Perspex.SceneGraph.UnitTests/Perspex.SceneGraph.UnitTests.csproj
index 5e9c844572..6dfa7aad61 100644
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index 21db22cc7c..0f344ed6f0 100644
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diff --git a/Tests/Perspex.Styling.UnitTests/Perspex.Styling.UnitTests.csproj b/Tests/Perspex.Styling.UnitTests/Perspex.Styling.UnitTests.csproj
index e7cdc85afc..d902ae525c 100644
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index d3fb534608..1a0e748b68 100644
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diff --git a/Windows/Perspex.Direct2D1/Perspex.Direct2D1.csproj b/Windows/Perspex.Direct2D1/Perspex.Direct2D1.csproj
index 34de57dfd0..1c698c8d86 100644
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index 39c4fe7ab1..c96fa8dd89 100644
--- a/Windows/Perspex.Direct2D1/packages.config
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diff --git a/Windows/Perspex.Win32/Perspex.Win32.csproj b/Windows/Perspex.Win32/Perspex.Win32.csproj
index e93c576db5..86e1da843b 100644
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diff --git a/Windows/Perspex.Win32/packages.config b/Windows/Perspex.Win32/packages.config
index 128dee1c51..a61cacff60 100644
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 </packages>
\ No newline at end of file