diff --git a/source/DD4T.RestService.WebApi/packages.config b/source/DD4T.RestService.WebApi/packages.config
index 6f885f7..8a038f1 100644
--- a/source/DD4T.RestService.WebApi/packages.config
+++ b/source/DD4T.RestService.WebApi/packages.config
@@ -15,7 +15,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.WebPages" version="3.1.0" targetFramework="net451" />
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net451" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net451" />
   <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net451" />