diff --git a/src/Our.Umbraco.DonutCaching.TestSite/packages.config b/src/Our.Umbraco.DonutCaching.TestSite/packages.config
index a948c14..bbcbdf9 100644
--- a/src/Our.Umbraco.DonutCaching.TestSite/packages.config
+++ b/src/Our.Umbraco.DonutCaching.TestSite/packages.config
@@ -36,7 +36,7 @@
   <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="4.0.1" targetFramework="net472" />
-  <package id="Microsoft.Owin.Security.Cookies" version="4.0.1" targetFramework="net472" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.2.2" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.OAuth" version="4.0.1" targetFramework="net472" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net472" />
   <package id="MiniProfiler" version="4.0.138" targetFramework="net472" />