diff --git a/Owin/packages.config b/Owin/packages.config
index 988fba7..e14c6bf 100644
--- a/Owin/packages.config
+++ b/Owin/packages.config
@@ -9,7 +9,7 @@
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.2" targetFramework="net451" />
   <package id="Microsoft.Diagnostics.Tracing.EventRegister" version="1.0.26" targetFramework="net451" />
   <package id="Microsoft.Diagnostics.Tracing.EventSource" version="1.0.26" targetFramework="net451" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Hosting" version="3.0.0" targetFramework="net451" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net451" />