diff --git a/sample/Bing.Samples.Api/packages.config b/sample/Bing.Samples.Api/packages.config
index ac6ecd5..35ce899 100644
--- a/sample/Bing.Samples.Api/packages.config
+++ b/sample/Bing.Samples.Api/packages.config
@@ -17,7 +17,7 @@
   <package id="Microsoft.AspNet.WebApi.WebHost.zh-Hans" version="5.2.4" targetFramework="net45" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net45" />
   <package id="Microsoft.Net.Compilers" version="2.6.1" targetFramework="net45" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Jwt" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.OAuth" version="3.1.0" targetFramework="net45" />