diff --git a/GarantiVp.Test/packages.config b/GarantiVp.Test/packages.config
index 288bef4..84b0ceb 100644
--- a/GarantiVp.Test/packages.config
+++ b/GarantiVp.Test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Diagnostics" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.1.0" targetFramework="net45" />