diff --git a/SignalR/packages.config b/SignalR/packages.config
index 92c45be..15e2119 100644
--- a/SignalR/packages.config
+++ b/SignalR/packages.config
@@ -22,7 +22,7 @@
   <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="4.0.0" 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" />