diff --git a/src/Orchard.Specs/Hosting/Orchard.Web/Web.config b/src/Orchard.Specs/Hosting/Orchard.Web/Web.config
index 72bc80b91..6e0a8864f 100644
--- a/src/Orchard.Specs/Hosting/Orchard.Web/Web.config
+++ b/src/Orchard.Specs/Hosting/Orchard.Web/Web.config
@@ -139,8 +139,37 @@
       <probing privatePath="App_Data/Dependencies"/>
       <dependentAssembly>
         <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
-        <bindingRedirect  oldVersion="2.0.0.0" newVersion="3.0.0.0"  />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0"/>
       </dependentAssembly>
-    </assemblyBinding>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.Razor" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages.Helpers" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages.Deployment" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages.Razor" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="NHibernate" publicKeyToken="aa95f207798dfdb4" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.3.1.4000" newVersion="3.3.1.4000" />
+      </dependentAssembly>    </assemblyBinding>
   </runtime>
 </configuration>
\ No newline at end of file
diff --git a/src/Orchard.Specs/Hosting/Simple.Web/Web.config b/src/Orchard.Specs/Hosting/Simple.Web/Web.config
index 34890f7f7..49ea7a52c 100644
--- a/src/Orchard.Specs/Hosting/Simple.Web/Web.config
+++ b/src/Orchard.Specs/Hosting/Simple.Web/Web.config
@@ -163,7 +163,37 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
-        <bindingRedirect oldVersion="2.0.0.0" newVersion="3.0.0.0"/>
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.Razor" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages.Helpers" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages.Deployment" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.WebPages.Razor" publicKeyToken="31bf3856ad364e35" />
+        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0"/>
+      </dependentAssembly>
+
+      <dependentAssembly>
+        <assemblyIdentity name="NHibernate" publicKeyToken="aa95f207798dfdb4" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.3.1.4000" newVersion="3.3.1.4000" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>