diff --git a/source/Funbit.Ets.Telemetry.Server/packages.config b/source/Funbit.Ets.Telemetry.Server/packages.config
index c20e697f..6b52823f 100644
--- a/source/Funbit.Ets.Telemetry.Server/packages.config
+++ b/source/Funbit.Ets.Telemetry.Server/packages.config
@@ -9,7 +9,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.2" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.2" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.OwinSelfHost" version="5.2.2" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Cors" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Diagnostics" version="2.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="2.1.0" targetFramework="net45" />