diff --git a/Sibelius.Web/packages.config b/Sibelius.Web/packages.config
index 841eb6b..9b36e80 100644
--- a/Sibelius.Web/packages.config
+++ b/Sibelius.Web/packages.config
@@ -17,7 +17,7 @@
   <package id="Microsoft.Owin" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.0" targetFramework="net45" />
-  <package id="Microsoft.Owin.Security.Cookies" version="3.0.0" targetFramework="net45" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Facebook" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.Google" version="3.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Security.MicrosoftAccount" version="3.0.0" targetFramework="net45" />