diff --git a/WebChat/WebChat/packages.config b/WebChat/WebChat/packages.config
index adae939..ef04be7 100644
--- a/WebChat/WebChat/packages.config
+++ b/WebChat/WebChat/packages.config
@@ -14,7 +14,7 @@
   <package id="Microsoft.AspNet.WebPages" version="3.2.4" targetFramework="net461" />
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.0" targetFramework="net461" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.4" targetFramework="net461" />
-  <package id="Microsoft.Owin" version="2.1.0" targetFramework="net461" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="2.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="2.1.0" targetFramework="net461" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />