diff --git a/Escc.EastSussexGovUK.Umbraco.Web.Tests/packages.config b/Escc.EastSussexGovUK.Umbraco.Web.Tests/packages.config
index 2caf917b..02fe011e 100644
--- a/Escc.EastSussexGovUK.Umbraco.Web.Tests/packages.config
+++ b/Escc.EastSussexGovUK.Umbraco.Web.Tests/packages.config
@@ -41,7 +41,7 @@
   <package id="Microsoft.Owin" version="3.1.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net472" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net472" />
-  <package id="Microsoft.Owin.Security.Cookies" version="3.1.0" targetFramework="net472" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.2.2" targetFramework="net472" />
   <package id="Microsoft.Owin.Security.OAuth" version="3.1.0" targetFramework="net472" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net472" />
   <package id="MiniProfiler" version="2.1.0" targetFramework="net472" />