diff --git a/Project/Src/TestCop.Plugin.Tests/packages.config b/Project/Src/TestCop.Plugin.Tests/packages.config
index 5c90103..b6a7ff1 100644
--- a/Project/Src/TestCop.Plugin.Tests/packages.config
+++ b/Project/Src/TestCop.Plugin.Tests/packages.config
@@ -158,7 +158,7 @@
   <package id="JetBrains.WindowsDesktop.Mock.Runtime" version="0.0.3" targetFramework="net472" />
   <package id="Microsoft.CSharp" version="4.5.0" targetFramework="net472" />
   <package id="Microsoft.Extensions.DependencyModel" version="3.0.0" targetFramework="net472" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net472" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net472" />
   <package id="Microsoft.Owin.FileSystems" version="3.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net472" />