diff --git a/EFUnitOfWork/packages.config b/EFUnitOfWork/packages.config
index 4d7ee6d..8d12e02 100644
--- a/EFUnitOfWork/packages.config
+++ b/EFUnitOfWork/packages.config
@@ -31,7 +31,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net471" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net471" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net471" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net471" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net471" />
   <package id="Microsoft.Owin.Host.SystemWeb.zh-Hans" version="3.0.1" targetFramework="net471" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net471" />