diff --git a/Umbraco.RelationEditor.Web/packages.config b/Umbraco.RelationEditor.Web/packages.config
index 2209eb2..b3978c0 100644
--- a/Umbraco.RelationEditor.Web/packages.config
+++ b/Umbraco.RelationEditor.Web/packages.config
@@ -24,7 +24,7 @@
   <package id="Microsoft.CodeAnalysis.Common" version="1.0.0" targetFramework="net45" />
   <package id="Microsoft.CodeAnalysis.CSharp" version="1.0.0" targetFramework="net45" />
   <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net45" />