diff --git a/samples/OpenIdProviderMvc/OpenIdProviderMvc.csproj b/samples/OpenIdProviderMvc/OpenIdProviderMvc.csproj
index d463b4dd08..d6e71f0c26 100644
--- a/samples/OpenIdProviderMvc/OpenIdProviderMvc.csproj
+++ b/samples/OpenIdProviderMvc/OpenIdProviderMvc.csproj
@@ -55,7 +55,7 @@
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
     <Reference Include="System.Web.Extensions" />
-    <Reference Include="System.Web.Mvc" />
+    <Reference Include="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL" />
     <Reference Include="System.Web" />
     <Reference Include="System.Web.ApplicationServices" Condition=" '$(TargetFrameworkVersion)' != 'v3.5' ">
       <RequiredTargetFramework>v4.0</RequiredTargetFramework>
diff --git a/samples/OpenIdRelyingPartyMvc/OpenIdRelyingPartyMvc.csproj b/samples/OpenIdRelyingPartyMvc/OpenIdRelyingPartyMvc.csproj
index 8fe8e36c41..7e3c564790 100644
--- a/samples/OpenIdRelyingPartyMvc/OpenIdRelyingPartyMvc.csproj
+++ b/samples/OpenIdRelyingPartyMvc/OpenIdRelyingPartyMvc.csproj
@@ -56,7 +56,7 @@
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
     <Reference Include="System.Web.Extensions" />
-    <Reference Include="System.Web.Mvc" />
+    <Reference Include="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL" />
     <Reference Include="System.Web" />
     <Reference Include="System.Web.Abstractions" />
     <Reference Include="System.Web.Routing" />