diff --git a/source/NuGet.Lucene.Web/packages.config b/source/NuGet.Lucene.Web/packages.config
index 9876ff3..eedb445 100644
--- a/source/NuGet.Lucene.Web/packages.config
+++ b/source/NuGet.Lucene.Web/packages.config
@@ -17,7 +17,7 @@
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.Data.Edm" version="5.7.0" targetFramework="net45" />
   <package id="Microsoft.Data.OData" version="5.7.0" 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.Cors" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Diagnostics" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net45" />