diff --git a/Test/CredentialsWebTests/packages.config b/Test/CredentialsWebTests/packages.config
index 8e2fc0b..faacadd 100644
--- a/Test/CredentialsWebTests/packages.config
+++ b/Test/CredentialsWebTests/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.AspNet.ScriptManager.WebForms" version="5.0.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Web.Optimization.WebForms" version="1.1.3" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.0" targetFramework="net45" />