diff --git a/Swashbuckle.OData.Tests/packages.config b/Swashbuckle.OData.Tests/packages.config
index d019263..f213c0b 100644
--- a/Swashbuckle.OData.Tests/packages.config
+++ b/Swashbuckle.OData.Tests/packages.config
@@ -11,7 +11,7 @@
   <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="1.0.0" targetFramework="net452" />
   <package id="Microsoft.OData.Core" version="7.0.0" targetFramework="net452" />
   <package id="Microsoft.OData.Edm" version="7.0.0" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Restier" version="1.0.0-beta" targetFramework="net452" />