diff --git a/src/Our.Umbraco.IoC.Unity/packages.config b/src/Our.Umbraco.IoC.Unity/packages.config
index 072feae..59e1842 100644
--- a/src/Our.Umbraco.IoC.Unity/packages.config
+++ b/src/Our.Umbraco.IoC.Unity/packages.config
@@ -22,7 +22,7 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.7" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net45" />
   <package id="Microsoft.IO.RecyclableMemoryStream" version="1.2.2" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.1.0" targetFramework="net45" />