diff --git a/ServiceAPIExtensions/packages.config b/ServiceAPIExtensions/packages.config
index 6a09260..994c710 100644
--- a/ServiceAPIExtensions/packages.config
+++ b/ServiceAPIExtensions/packages.config
@@ -15,7 +15,7 @@
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.0" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.Cookies" version="2.1.0" targetFramework="net452" />