diff --git a/AlwaysEncryptedSample.Models/packages.config b/AlwaysEncryptedSample.Models/packages.config
index 11dee13..4fe8b04 100644
--- a/AlwaysEncryptedSample.Models/packages.config
+++ b/AlwaysEncryptedSample.Models/packages.config
@@ -10,7 +10,7 @@
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net461" />
   <package id="Microsoft.Owin" version="4.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="4.0.1" targetFramework="net461" />
-  <package id="Microsoft.Owin.Security.Cookies" version="4.0.1" targetFramework="net461" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security.OAuth" version="4.0.1" targetFramework="net461" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
   <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net461" />
diff --git a/AlwaysEncryptedSample/packages.config b/AlwaysEncryptedSample/packages.config
index 8de9d77..d5a0d8e 100644
--- a/AlwaysEncryptedSample/packages.config
+++ b/AlwaysEncryptedSample/packages.config
@@ -22,7 +22,7 @@
   <package id="Microsoft.Owin" version="4.0.1" targetFramework="net46" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.1" targetFramework="net46" />
   <package id="Microsoft.Owin.Security" version="4.0.1" targetFramework="net46" />
-  <package id="Microsoft.Owin.Security.Cookies" version="4.0.1" targetFramework="net46" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.1.0" targetFramework="net46" />
   <package id="Microsoft.Owin.Security.OAuth" version="4.0.1" targetFramework="net46" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="Modernizr" version="2.8.3" targetFramework="net46" />