diff --git a/Runtime.Silverlight/TechTalk.SpecFlow.Silverlight.csproj b/Runtime.Silverlight/TechTalk.SpecFlow.Silverlight.csproj
index 2ac937e87..929df430b 100644
--- a/Runtime.Silverlight/TechTalk.SpecFlow.Silverlight.csproj
+++ b/Runtime.Silverlight/TechTalk.SpecFlow.Silverlight.csproj
@@ -169,12 +169,18 @@
UnitTestProvider\MbUnitRuntimeProvider.cs
+
+ UnitTestProvider\MsTest2010RuntimeProvider.cs
+
UnitTestProvider\MsTestRuntimeProvider.cs
UnitTestProvider\NUnitRuntimeProvider.cs
+
+ UnitTestProvider\UnitTestRuntimeProviderHelper.cs
+
UnitTestProvider\XUnitRuntimeProvider.cs