diff --git a/hol-05-arm/completed/azurearm/packages.config b/hol-05-arm/completed/azurearm/packages.config
index cf0f16f..7962d59 100644
--- a/hol-05-arm/completed/azurearm/packages.config
+++ b/hol-05-arm/completed/azurearm/packages.config
@@ -18,7 +18,7 @@
   <package id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.0" targetFramework="net451" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net451" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net451" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net451" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net451" />