diff --git a/src/Umbraco.Tests/Testing/UmbracoTestBase.cs b/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
index bbc869fc65..531c4e24bc 100644
--- a/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
+++ b/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
@@ -313,6 +313,7 @@ namespace Umbraco.Tests.Testing
             Composition.RegisterUnique<ISectionService, SectionService>();
 
             Composition.RegisterUnique<HtmlLocalLinkParser>();
+            Composition.RegisterUnique<IWebSecurity, WebSecurity>();
             Composition.RegisterUnique<IEmailSender, EmailSender>();
             Composition.RegisterUnique<HtmlUrlParser>();
             Composition.RegisterUnique<HtmlImageSourceParser>();