diff --git a/samples/ChatSample/packages.config b/samples/ChatSample/packages.config
index ffdf0d5..574f105 100644
--- a/samples/ChatSample/packages.config
+++ b/samples/ChatSample/packages.config
@@ -7,7 +7,7 @@
   <package id="Microsoft.AspNet.SignalR.SystemWeb" version="2.4.1" targetFramework="net462" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net462" />
   <package id="Microsoft.Net.Compilers" version="3.5.0" targetFramework="net48" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="4.1.0" targetFramework="net48" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net48" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.1.0" targetFramework="net48" />
   <package id="Microsoft.Owin.Security" version="4.1.0" targetFramework="net48" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net462" />