diff --git a/UnitTest/packages.config b/UnitTest/packages.config
index 8ba9fee..67ad783 100644
--- a/UnitTest/packages.config
+++ b/UnitTest/packages.config
@@ -15,7 +15,7 @@
   <package id="Microsoft.Owin" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net472" />
-  <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net472" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.2.2" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net472" />
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="2.0.0" targetFramework="net472" />