diff --git a/WebAPI/Lab.PassingBSON/WebApplication1.UnitTest/packages.config b/WebAPI/Lab.PassingBSON/WebApplication1.UnitTest/packages.config
index 7d9f9574..8703bc83 100644
--- a/WebAPI/Lab.PassingBSON/WebApplication1.UnitTest/packages.config
+++ b/WebAPI/Lab.PassingBSON/WebApplication1.UnitTest/packages.config
@@ -3,7 +3,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.6" targetFramework="net472" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.6" targetFramework="net472" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.6" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net472" />
   <package id="Microsoft.Owin.Diagnostics" version="4.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Hosting" version="4.0.0" targetFramework="net472" />