diff --git a/src/MyTested.WebApi.Tests/packages.config b/src/MyTested.WebApi.Tests/packages.config
index d3c044c4..0a00a9c4 100644
--- a/src/MyTested.WebApi.Tests/packages.config
+++ b/src/MyTested.WebApi.Tests/packages.config
@@ -3,7 +3,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.1.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.1.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.1.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Testing" version="3.0.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="4.5.11" targetFramework="net45" />