diff --git a/src/Orchard.Specs/Hosting/Orchard.Web/Web.config b/src/Orchard.Specs/Hosting/Orchard.Web/Web.config
index 078d986e4..fe534aa4c 100644
--- a/src/Orchard.Specs/Hosting/Orchard.Web/Web.config
+++ b/src/Orchard.Specs/Hosting/Orchard.Web/Web.config
@@ -168,7 +168,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="NHibernate" publicKeyToken="aa95f207798dfdb4" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.1.0.4000" newVersion="4.1.0.4000" />
+        <bindingRedirect oldVersion="0.0.0.0-5.5.0.0" newVersion="5.5.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>